diff --git a/docs/api-specs/comments-api.md b/docs/api-specs/comments-api.md
index 0980f5f5..fbe7386f 100644
--- a/docs/api-specs/comments-api.md
+++ b/docs/api-specs/comments-api.md
@@ -6,6 +6,7 @@
 
 - 관점에서의 댓글 관련한 API 입니다.
 - 대댓글은 존재하지 않고 같은 최상위 뎁스의 댓글만 존재합니다.
+- 의견·댓글 작성 및 수정 시 본문은 1~200자여야 합니다. 초과하면 400 `PERSPECTIVE_400_LEN`입니다.
 
 ---
 
@@ -262,4 +263,4 @@
 |------------|:-----------:|-----------|
 | `COMMENT_NOT_FOUND` | `404` | 존재하지 않는 댓글 |
 | `COMMENT_FORBIDDEN` | `403` | 본인 댓글 아님  |
----
\ No newline at end of file
+---
diff --git a/docs/api-specs/perspectives-api.md b/docs/api-specs/perspectives-api.md
index d33acfd8..ec976cd7 100644
--- a/docs/api-specs/perspectives-api.md
+++ b/docs/api-specs/perspectives-api.md
@@ -6,6 +6,7 @@
 
 - 관점 API 입니다.
 - 현재 Creator 뱃지 부분이 ERD 상에선 보이지 않는데 확인 필요
+- 의견·댓글 본문은 서버에서 최대 200자로 검증합니다.
 
 ### 관점 상태(status) 흐름
 
diff --git a/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreateCommentRequest.java b/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreateCommentRequest.java
index 85d73972..53c4995c 100644
--- a/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreateCommentRequest.java
+++ b/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreateCommentRequest.java
@@ -1,8 +1,10 @@
 package com.swyp.picke.domain.perspective.dto.request;
 
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 public record CreateCommentRequest(
         @NotBlank
+        @Size(max = 200)
         String content
 ) {}
diff --git a/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreatePerspectiveRequest.java b/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreatePerspectiveRequest.java
index 8be987b6..f578a75e 100644
--- a/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreatePerspectiveRequest.java
+++ b/src/main/java/com/swyp/picke/domain/perspective/dto/request/CreatePerspectiveRequest.java
@@ -1,8 +1,10 @@
 package com.swyp.picke.domain.perspective.dto.request;
 
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 public record CreatePerspectiveRequest(
         @NotBlank
+        @Size(max = 200)
         String content
 ) {}
diff --git a/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdateCommentRequest.java b/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdateCommentRequest.java
index 32ed5e10..a70abb8e 100644
--- a/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdateCommentRequest.java
+++ b/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdateCommentRequest.java
@@ -1,8 +1,10 @@
 package com.swyp.picke.domain.perspective.dto.request;
 
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 public record UpdateCommentRequest(
         @NotBlank
+        @Size(max = 200)
         String content
 ) {}
diff --git a/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdatePerspectiveRequest.java b/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdatePerspectiveRequest.java
index b5ca0d04..d3a35e24 100644
--- a/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdatePerspectiveRequest.java
+++ b/src/main/java/com/swyp/picke/domain/perspective/dto/request/UpdatePerspectiveRequest.java
@@ -1,8 +1,10 @@
 package com.swyp.picke.domain.perspective.dto.request;
 
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 public record UpdatePerspectiveRequest(
         @NotBlank
+        @Size(max = 200)
         String content
 ) {}