diff --git a/api/v2/markdown_service.go b/api/v2/markdown_service.go
index b7fc859d4..96804379b 100644
--- a/api/v2/markdown_service.go
+++ b/api/v2/markdown_service.go
@@ -92,6 +92,10 @@ func convertFromASTNode(rawNode ast.Node) *apiv2pb.Node {
 		node.Node = &apiv2pb.Node_MathNode{MathNode: &apiv2pb.MathNode{Content: n.Content}}
 	case *ast.Highlight:
 		node.Node = &apiv2pb.Node_HighlightNode{HighlightNode: &apiv2pb.HighlightNode{Content: n.Content}}
+	case *ast.Subscript:
+		node.Node = &apiv2pb.Node_SubscriptNode{SubscriptNode: &apiv2pb.SubscriptNode{Content: n.Content}}
+	case *ast.Superscript:
+		node.Node = &apiv2pb.Node_SuperscriptNode{SuperscriptNode: &apiv2pb.SuperscriptNode{Content: n.Content}}
 	default:
 		node.Node = &apiv2pb.Node_TextNode{TextNode: &apiv2pb.TextNode{}}
 	}
@@ -165,6 +169,10 @@ func convertToASTNode(node *apiv2pb.Node) ast.Node {
 		return &ast.Math{Content: n.MathNode.Content}
 	case *apiv2pb.Node_HighlightNode:
 		return &ast.Highlight{Content: n.HighlightNode.Content}
+	case *apiv2pb.Node_SubscriptNode:
+		return &ast.Subscript{Content: n.SubscriptNode.Content}
+	case *apiv2pb.Node_SuperscriptNode:
+		return &ast.Superscript{Content: n.SuperscriptNode.Content}
 	default:
 		return &ast.Text{}
 	}
diff --git a/proto/api/v2/markdown_service.proto b/proto/api/v2/markdown_service.proto
index 92e7e7c2b..c3d0e4513 100644
--- a/proto/api/v2/markdown_service.proto
+++ b/proto/api/v2/markdown_service.proto
@@ -49,6 +49,8 @@ enum NodeType {
   ESCAPING_CHARACTER = 22;
   MATH = 23;
   HIGHLIGHT = 24;
+  SUBSCRIPT = 25;
+  SUPERSCRIPT = 26;
 }
 
 message Node {
@@ -78,6 +80,8 @@ message Node {
     EscapingCharacterNode escaping_character_node = 23;
     MathNode math_node = 24;
     HighlightNode highlight_node = 25;
+    SubscriptNode subscript_node = 26;
+    SuperscriptNode superscript_node = 27;
   }
 }
 
@@ -195,3 +199,11 @@ message MathNode {
 message HighlightNode {
   string content = 1;
 }
+
+message SubscriptNode {
+  string content = 1;
+}
+
+message SuperscriptNode {
+  string content = 1;
+}
diff --git a/proto/gen/api/v2/README.md b/proto/gen/api/v2/README.md
index ebb5cf5a2..3225421cc 100644
--- a/proto/gen/api/v2/README.md
+++ b/proto/gen/api/v2/README.md
@@ -88,6 +88,8 @@
     - [ParseMarkdownRequest](#memos-api-v2-ParseMarkdownRequest)
     - [ParseMarkdownResponse](#memos-api-v2-ParseMarkdownResponse)
     - [StrikethroughNode](#memos-api-v2-StrikethroughNode)
+    - [SubscriptNode](#memos-api-v2-SubscriptNode)
+    - [SuperscriptNode](#memos-api-v2-SuperscriptNode)
     - [TableNode](#memos-api-v2-TableNode)
     - [TableNode.Row](#memos-api-v2-TableNode-Row)
     - [TagNode](#memos-api-v2-TagNode)
@@ -1238,6 +1240,8 @@
 | escaping_character_node | [EscapingCharacterNode](#memos-api-v2-EscapingCharacterNode) |  |  |
 | math_node | [MathNode](#memos-api-v2-MathNode) |  |  |
 | highlight_node | [HighlightNode](#memos-api-v2-HighlightNode) |  |  |
+| subscript_node | [SubscriptNode](#memos-api-v2-SubscriptNode) |  |  |
+| superscript_node | [SuperscriptNode](#memos-api-v2-SuperscriptNode) |  |  |
 
 
 
@@ -1321,6 +1325,36 @@
 
 
 
+<a name="memos-api-v2-SubscriptNode"></a>
+
+### SubscriptNode
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| content | [string](#string) |  |  |
+
+
+
+
+
+
+<a name="memos-api-v2-SuperscriptNode"></a>
+
+### SuperscriptNode
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| content | [string](#string) |  |  |
+
+
+
+
+
+
 <a name="memos-api-v2-TableNode"></a>
 
 ### TableNode
@@ -1452,6 +1486,8 @@
 | ESCAPING_CHARACTER | 22 |  |
 | MATH | 23 |  |
 | HIGHLIGHT | 24 |  |
+| SUBSCRIPT | 25 |  |
+| SUPERSCRIPT | 26 |  |
 
 
  
diff --git a/proto/gen/api/v2/markdown_service.pb.go b/proto/gen/api/v2/markdown_service.pb.go
index b4907b286..d70e12953 100644
--- a/proto/gen/api/v2/markdown_service.pb.go
+++ b/proto/gen/api/v2/markdown_service.pb.go
@@ -49,6 +49,8 @@ const (
 	NodeType_ESCAPING_CHARACTER NodeType = 22
 	NodeType_MATH               NodeType = 23
 	NodeType_HIGHLIGHT          NodeType = 24
+	NodeType_SUBSCRIPT          NodeType = 25
+	NodeType_SUPERSCRIPT        NodeType = 26
 )
 
 // Enum value maps for NodeType.
@@ -79,6 +81,8 @@ var (
 		22: "ESCAPING_CHARACTER",
 		23: "MATH",
 		24: "HIGHLIGHT",
+		25: "SUBSCRIPT",
+		26: "SUPERSCRIPT",
 	}
 	NodeType_value = map[string]int32{
 		"NODE_UNSPECIFIED":   0,
@@ -106,6 +110,8 @@ var (
 		"ESCAPING_CHARACTER": 22,
 		"MATH":               23,
 		"HIGHLIGHT":          24,
+		"SUBSCRIPT":          25,
+		"SUPERSCRIPT":        26,
 	}
 )
 
@@ -262,6 +268,8 @@ type Node struct {
 	//	*Node_EscapingCharacterNode
 	//	*Node_MathNode
 	//	*Node_HighlightNode
+	//	*Node_SubscriptNode
+	//	*Node_SuperscriptNode
 	Node isNode_Node `protobuf_oneof:"node"`
 }
 
@@ -479,6 +487,20 @@ func (x *Node) GetHighlightNode() *HighlightNode {
 	return nil
 }
 
+func (x *Node) GetSubscriptNode() *SubscriptNode {
+	if x, ok := x.GetNode().(*Node_SubscriptNode); ok {
+		return x.SubscriptNode
+	}
+	return nil
+}
+
+func (x *Node) GetSuperscriptNode() *SuperscriptNode {
+	if x, ok := x.GetNode().(*Node_SuperscriptNode); ok {
+		return x.SuperscriptNode
+	}
+	return nil
+}
+
 type isNode_Node interface {
 	isNode_Node()
 }
@@ -579,6 +601,14 @@ type Node_HighlightNode struct {
 	HighlightNode *HighlightNode `protobuf:"bytes,25,opt,name=highlight_node,json=highlightNode,proto3,oneof"`
 }
 
+type Node_SubscriptNode struct {
+	SubscriptNode *SubscriptNode `protobuf:"bytes,26,opt,name=subscript_node,json=subscriptNode,proto3,oneof"`
+}
+
+type Node_SuperscriptNode struct {
+	SuperscriptNode *SuperscriptNode `protobuf:"bytes,27,opt,name=superscript_node,json=superscriptNode,proto3,oneof"`
+}
+
 func (*Node_LineBreakNode) isNode_Node() {}
 
 func (*Node_ParagraphNode) isNode_Node() {}
@@ -627,6 +657,10 @@ func (*Node_MathNode) isNode_Node() {}
 
 func (*Node_HighlightNode) isNode_Node() {}
 
+func (*Node_SubscriptNode) isNode_Node() {}
+
+func (*Node_SuperscriptNode) isNode_Node() {}
+
 type LineBreakNode struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1882,6 +1916,100 @@ func (x *HighlightNode) GetContent() string {
 	return ""
 }
 
+type SubscriptNode struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Content string `protobuf:"bytes,1,opt,name=content,proto3" json:"content,omitempty"`
+}
+
+func (x *SubscriptNode) Reset() {
+	*x = SubscriptNode{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_markdown_service_proto_msgTypes[27]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SubscriptNode) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SubscriptNode) ProtoMessage() {}
+
+func (x *SubscriptNode) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_markdown_service_proto_msgTypes[27]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SubscriptNode.ProtoReflect.Descriptor instead.
+func (*SubscriptNode) Descriptor() ([]byte, []int) {
+	return file_api_v2_markdown_service_proto_rawDescGZIP(), []int{27}
+}
+
+func (x *SubscriptNode) GetContent() string {
+	if x != nil {
+		return x.Content
+	}
+	return ""
+}
+
+type SuperscriptNode struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Content string `protobuf:"bytes,1,opt,name=content,proto3" json:"content,omitempty"`
+}
+
+func (x *SuperscriptNode) Reset() {
+	*x = SuperscriptNode{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_markdown_service_proto_msgTypes[28]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SuperscriptNode) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SuperscriptNode) ProtoMessage() {}
+
+func (x *SuperscriptNode) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_markdown_service_proto_msgTypes[28]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use SuperscriptNode.ProtoReflect.Descriptor instead.
+func (*SuperscriptNode) Descriptor() ([]byte, []int) {
+	return file_api_v2_markdown_service_proto_rawDescGZIP(), []int{28}
+}
+
+func (x *SuperscriptNode) GetContent() string {
+	if x != nil {
+		return x.Content
+	}
+	return ""
+}
+
 type TableNode_Row struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -1893,7 +2021,7 @@ type TableNode_Row struct {
 func (x *TableNode_Row) Reset() {
 	*x = TableNode_Row{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_v2_markdown_service_proto_msgTypes[27]
+		mi := &file_api_v2_markdown_service_proto_msgTypes[29]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1906,7 +2034,7 @@ func (x *TableNode_Row) String() string {
 func (*TableNode_Row) ProtoMessage() {}
 
 func (x *TableNode_Row) ProtoReflect() protoreflect.Message {
-	mi := &file_api_v2_markdown_service_proto_msgTypes[27]
+	mi := &file_api_v2_markdown_service_proto_msgTypes[29]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1944,7 +2072,7 @@ var file_api_v2_markdown_service_proto_rawDesc = []byte{
 	0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x28, 0x0a, 0x05, 0x6e, 0x6f, 0x64, 0x65,
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 	0x79, 0x70, 0x65, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0e, 0x32, 0x16, 0x2e, 0x6d, 0x65, 0x6d, 0x6f,
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@@ -2049,151 +2177,167 @@ var file_api_v2_markdown_service_proto_rawDesc = []byte{
 	0x20, 0x01, 0x28, 0x0b, 0x32, 0x1b, 0x2e, 0x6d, 0x65, 0x6d, 0x6f, 0x73, 0x2e, 0x61, 0x70, 0x69,
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+	0x49, 0x53, 0x54, 0x10, 0x09, 0x12, 0x0e, 0x0a, 0x0a, 0x4d, 0x41, 0x54, 0x48, 0x5f, 0x42, 0x4c,
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+	0x12, 0x0f, 0x0a, 0x0b, 0x42, 0x4f, 0x4c, 0x44, 0x5f, 0x49, 0x54, 0x41, 0x4c, 0x49, 0x43, 0x10,
+	0x0f, 0x12, 0x08, 0x0a, 0x04, 0x43, 0x4f, 0x44, 0x45, 0x10, 0x10, 0x12, 0x09, 0x0a, 0x05, 0x49,
+	0x4d, 0x41, 0x47, 0x45, 0x10, 0x11, 0x12, 0x08, 0x0a, 0x04, 0x4c, 0x49, 0x4e, 0x4b, 0x10, 0x12,
+	0x12, 0x0d, 0x0a, 0x09, 0x41, 0x55, 0x54, 0x4f, 0x5f, 0x4c, 0x49, 0x4e, 0x4b, 0x10, 0x13, 0x12,
+	0x07, 0x0a, 0x03, 0x54, 0x41, 0x47, 0x10, 0x14, 0x12, 0x11, 0x0a, 0x0d, 0x53, 0x54, 0x52, 0x49,
+	0x4b, 0x45, 0x54, 0x48, 0x52, 0x4f, 0x55, 0x47, 0x48, 0x10, 0x15, 0x12, 0x16, 0x0a, 0x12, 0x45,
+	0x53, 0x43, 0x41, 0x50, 0x49, 0x4e, 0x47, 0x5f, 0x43, 0x48, 0x41, 0x52, 0x41, 0x43, 0x54, 0x45,
+	0x52, 0x10, 0x16, 0x12, 0x08, 0x0a, 0x04, 0x4d, 0x41, 0x54, 0x48, 0x10, 0x17, 0x12, 0x0d, 0x0a,
+	0x09, 0x48, 0x49, 0x47, 0x48, 0x4c, 0x49, 0x47, 0x48, 0x54, 0x10, 0x18, 0x12, 0x0d, 0x0a, 0x09,
+	0x53, 0x55, 0x42, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x10, 0x19, 0x12, 0x0f, 0x0a, 0x0b, 0x53,
+	0x55, 0x50, 0x45, 0x52, 0x53, 0x43, 0x52, 0x49, 0x50, 0x54, 0x10, 0x1a, 0x32, 0x88, 0x01, 0x0a,
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+	0x02, 0x15, 0x3a, 0x01, 0x2a, 0x22, 0x10, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x6d,
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+	0x2f, 0x75, 0x73, 0x65, 0x6d, 0x65, 0x6d, 0x6f, 0x73, 0x2f, 0x6d, 0x65, 0x6d, 0x6f, 0x73, 0x2f,
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+	0x3b, 0x61, 0x70, 0x69, 0x76, 0x32, 0xa2, 0x02, 0x03, 0x4d, 0x41, 0x58, 0xaa, 0x02, 0x0c, 0x4d,
+	0x65, 0x6d, 0x6f, 0x73, 0x2e, 0x41, 0x70, 0x69, 0x2e, 0x56, 0x32, 0xca, 0x02, 0x0c, 0x4d, 0x65,
+	0x6d, 0x6f, 0x73, 0x5c, 0x41, 0x70, 0x69, 0x5c, 0x56, 0x32, 0xe2, 0x02, 0x18, 0x4d, 0x65, 0x6d,
+	0x6f, 0x73, 0x5c, 0x41, 0x70, 0x69, 0x5c, 0x56, 0x32, 0x5c, 0x47, 0x50, 0x42, 0x4d, 0x65, 0x74,
+	0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x0e, 0x4d, 0x65, 0x6d, 0x6f, 0x73, 0x3a, 0x3a, 0x41,
+	0x70, 0x69, 0x3a, 0x3a, 0x56, 0x32, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -2209,7 +2353,7 @@ func file_api_v2_markdown_service_proto_rawDescGZIP() []byte {
 }
 
 var file_api_v2_markdown_service_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_api_v2_markdown_service_proto_msgTypes = make([]protoimpl.MessageInfo, 28)
+var file_api_v2_markdown_service_proto_msgTypes = make([]protoimpl.MessageInfo, 30)
 var file_api_v2_markdown_service_proto_goTypes = []interface{}{
 	(NodeType)(0),                 // 0: memos.api.v2.NodeType
 	(*ParseMarkdownRequest)(nil),  // 1: memos.api.v2.ParseMarkdownRequest
@@ -2239,7 +2383,9 @@ var file_api_v2_markdown_service_proto_goTypes = []interface{}{
 	(*EscapingCharacterNode)(nil), // 25: memos.api.v2.EscapingCharacterNode
 	(*MathNode)(nil),              // 26: memos.api.v2.MathNode
 	(*HighlightNode)(nil),         // 27: memos.api.v2.HighlightNode
-	(*TableNode_Row)(nil),         // 28: memos.api.v2.TableNode.Row
+	(*SubscriptNode)(nil),         // 28: memos.api.v2.SubscriptNode
+	(*SuperscriptNode)(nil),       // 29: memos.api.v2.SuperscriptNode
+	(*TableNode_Row)(nil),         // 30: memos.api.v2.TableNode.Row
 }
 var file_api_v2_markdown_service_proto_depIdxs = []int32{
 	3,  // 0: memos.api.v2.ParseMarkdownResponse.nodes:type_name -> memos.api.v2.Node
@@ -2268,21 +2414,23 @@ var file_api_v2_markdown_service_proto_depIdxs = []int32{
 	25, // 23: memos.api.v2.Node.escaping_character_node:type_name -> memos.api.v2.EscapingCharacterNode
 	26, // 24: memos.api.v2.Node.math_node:type_name -> memos.api.v2.MathNode
 	27, // 25: memos.api.v2.Node.highlight_node:type_name -> memos.api.v2.HighlightNode
-	3,  // 26: memos.api.v2.ParagraphNode.children:type_name -> memos.api.v2.Node
-	3,  // 27: memos.api.v2.HeadingNode.children:type_name -> memos.api.v2.Node
-	3,  // 28: memos.api.v2.BlockquoteNode.children:type_name -> memos.api.v2.Node
-	3,  // 29: memos.api.v2.OrderedListNode.children:type_name -> memos.api.v2.Node
-	3,  // 30: memos.api.v2.UnorderedListNode.children:type_name -> memos.api.v2.Node
-	3,  // 31: memos.api.v2.TaskListNode.children:type_name -> memos.api.v2.Node
-	28, // 32: memos.api.v2.TableNode.rows:type_name -> memos.api.v2.TableNode.Row
-	3,  // 33: memos.api.v2.BoldNode.children:type_name -> memos.api.v2.Node
-	1,  // 34: memos.api.v2.MarkdownService.ParseMarkdown:input_type -> memos.api.v2.ParseMarkdownRequest
-	2,  // 35: memos.api.v2.MarkdownService.ParseMarkdown:output_type -> memos.api.v2.ParseMarkdownResponse
-	35, // [35:36] is the sub-list for method output_type
-	34, // [34:35] is the sub-list for method input_type
-	34, // [34:34] is the sub-list for extension type_name
-	34, // [34:34] is the sub-list for extension extendee
-	0,  // [0:34] is the sub-list for field type_name
+	28, // 26: memos.api.v2.Node.subscript_node:type_name -> memos.api.v2.SubscriptNode
+	29, // 27: memos.api.v2.Node.superscript_node:type_name -> memos.api.v2.SuperscriptNode
+	3,  // 28: memos.api.v2.ParagraphNode.children:type_name -> memos.api.v2.Node
+	3,  // 29: memos.api.v2.HeadingNode.children:type_name -> memos.api.v2.Node
+	3,  // 30: memos.api.v2.BlockquoteNode.children:type_name -> memos.api.v2.Node
+	3,  // 31: memos.api.v2.OrderedListNode.children:type_name -> memos.api.v2.Node
+	3,  // 32: memos.api.v2.UnorderedListNode.children:type_name -> memos.api.v2.Node
+	3,  // 33: memos.api.v2.TaskListNode.children:type_name -> memos.api.v2.Node
+	30, // 34: memos.api.v2.TableNode.rows:type_name -> memos.api.v2.TableNode.Row
+	3,  // 35: memos.api.v2.BoldNode.children:type_name -> memos.api.v2.Node
+	1,  // 36: memos.api.v2.MarkdownService.ParseMarkdown:input_type -> memos.api.v2.ParseMarkdownRequest
+	2,  // 37: memos.api.v2.MarkdownService.ParseMarkdown:output_type -> memos.api.v2.ParseMarkdownResponse
+	37, // [37:38] is the sub-list for method output_type
+	36, // [36:37] is the sub-list for method input_type
+	36, // [36:36] is the sub-list for extension type_name
+	36, // [36:36] is the sub-list for extension extendee
+	0,  // [0:36] is the sub-list for field type_name
 }
 
 func init() { file_api_v2_markdown_service_proto_init() }
@@ -2616,6 +2764,30 @@ func file_api_v2_markdown_service_proto_init() {
 			}
 		}
 		file_api_v2_markdown_service_proto_msgTypes[27].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SubscriptNode); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_markdown_service_proto_msgTypes[28].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SuperscriptNode); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_markdown_service_proto_msgTypes[29].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*TableNode_Row); i {
 			case 0:
 				return &v.state
@@ -2653,6 +2825,8 @@ func file_api_v2_markdown_service_proto_init() {
 		(*Node_EscapingCharacterNode)(nil),
 		(*Node_MathNode)(nil),
 		(*Node_HighlightNode)(nil),
+		(*Node_SubscriptNode)(nil),
+		(*Node_SuperscriptNode)(nil),
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -2660,7 +2834,7 @@ func file_api_v2_markdown_service_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_api_v2_markdown_service_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   28,
+			NumMessages:   30,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/web/src/components/MemoContent/Renderer.tsx b/web/src/components/MemoContent/Renderer.tsx
index b3ba1f478..0e9739481 100644
--- a/web/src/components/MemoContent/Renderer.tsx
+++ b/web/src/components/MemoContent/Renderer.tsx
@@ -18,6 +18,8 @@ import {
   OrderedListNode,
   ParagraphNode,
   StrikethroughNode,
+  SubscriptNode,
+  SuperscriptNode,
   TableNode,
   TagNode,
   TaskListNode,
@@ -41,6 +43,8 @@ import Math from "./Math";
 import OrderedList from "./OrderedList";
 import Paragraph from "./Paragraph";
 import Strikethrough from "./Strikethrough";
+import Subscript from "./Subscript";
+import Superscript from "./Superscript";
 import Table from "./Table";
 import Tag from "./Tag";
 import TaskList from "./TaskList";
@@ -102,6 +106,10 @@ const Renderer: React.FC<Props> = ({ index, node }: Props) => {
       return <Highlight {...(node.highlightNode as HighlightNode)} />;
     case NodeType.ESCAPING_CHARACTER:
       return <EscapingCharacter {...(node.escapingCharacterNode as EscapingCharacterNode)} />;
+    case NodeType.SUBSCRIPT:
+      return <Subscript {...(node.subscriptNode as SubscriptNode)} />;
+    case NodeType.SUPERSCRIPT:
+      return <Superscript {...(node.superscriptNode as SuperscriptNode)} />;
     default:
       return null;
   }
diff --git a/web/src/components/MemoContent/Subscript.tsx b/web/src/components/MemoContent/Subscript.tsx
new file mode 100644
index 000000000..1878f59b0
--- /dev/null
+++ b/web/src/components/MemoContent/Subscript.tsx
@@ -0,0 +1,9 @@
+interface Props {
+  content: string;
+}
+
+const Subscript: React.FC<Props> = ({ content }: Props) => {
+  return <sub>{content}</sub>;
+};
+
+export default Subscript;
diff --git a/web/src/components/MemoContent/Superscript.tsx b/web/src/components/MemoContent/Superscript.tsx
new file mode 100644
index 000000000..381692511
--- /dev/null
+++ b/web/src/components/MemoContent/Superscript.tsx
@@ -0,0 +1,9 @@
+interface Props {
+  content: string;
+}
+
+const Superscript: React.FC<Props> = ({ content }: Props) => {
+  return <sup>{content}</sup>;
+};
+
+export default Superscript;