diff --git a/ddl/schema.sql b/ddl/schema.sql
index dbfc311..1d89584 100644
--- a/ddl/schema.sql
+++ b/ddl/schema.sql
@@ -22,6 +22,63 @@
         primary key (oid)
     );
 
+    comment on column st_common_code.sort_order is
+        '정렬 순번';
+
+    comment on column st_common_code.use_flag is
+        '사용 여부';
+
+    comment on column st_common_code.created_at is
+        '생성일시';
+
+    comment on column st_common_code.created_oid is
+        '생성자 OID';
+
+    comment on column st_common_code.oid is
+        'OID';
+
+    comment on column st_common_code.updated_at is
+        '수정일시';
+
+    comment on column st_common_code.updated_oid is
+        '수정자 OID';
+
+    comment on column st_common_code.code is
+        '코드';
+
+    comment on column st_common_code.group_code is
+        '그룹 코드';
+
+    comment on column st_common_code.parent_code is
+        '부모 코드';
+
+    comment on column st_common_code.character_ref1 is
+        '문자 참조1';
+
+    comment on column st_common_code.character_ref2 is
+        '문자 참조2';
+
+    comment on column st_common_code.character_ref3 is
+        '문자 참조3';
+
+    comment on column st_common_code.character_ref4 is
+        '문자 참조4';
+
+    comment on column st_common_code.character_ref5 is
+        '문자 참조5';
+
+    comment on column st_common_code.name is
+        '코드명';
+
+    comment on column st_common_code.description is
+        '설명';
+
+    comment on column st_common_code.created_id is
+        '생성자 ID';
+
+    comment on column st_common_code.updated_id is
+        '수정자 ID';
+
     create table st_common_group_code (
         sort_order integer not null,
         use_flag boolean not null,
@@ -42,6 +99,54 @@
         primary key (oid)
     );
 
+    comment on column st_common_group_code.sort_order is
+        '정렬 순번';
+
+    comment on column st_common_group_code.use_flag is
+        '사용 여부';
+
+    comment on column st_common_group_code.created_at is
+        '생성일시';
+
+    comment on column st_common_group_code.created_oid is
+        '생성자 OID';
+
+    comment on column st_common_group_code.oid is
+        'OID';
+
+    comment on column st_common_group_code.updated_at is
+        '수정일시';
+
+    comment on column st_common_group_code.updated_oid is
+        '수정자 OID';
+
+    comment on column st_common_group_code.code is
+        '코드';
+
+    comment on column st_common_group_code.character_ref1_title is
+        '문자 참조 타이틀1';
+
+    comment on column st_common_group_code.character_ref2_title is
+        '문자 참조 타이틀2';
+
+    comment on column st_common_group_code.character_ref3_title is
+        '문자 참조 타이틀3';
+
+    comment on column st_common_group_code.character_ref4_title is
+        '문자 참조 타이틀4';
+
+    comment on column st_common_group_code.character_ref5_title is
+        '문자 참조 타이틀5';
+
+    comment on column st_common_group_code.name is
+        '코드명';
+
+    comment on column st_common_group_code.created_id is
+        '생성자 ID';
+
+    comment on column st_common_group_code.updated_id is
+        '수정자 ID';
+
     create table st_file (
         use_flag boolean not null,
         created_at timestamp(6) not null,
@@ -61,6 +166,51 @@
         primary key (oid)
     );
 
+    comment on column st_file.use_flag is
+        '사용 여부';
+
+    comment on column st_file.created_at is
+        '생성일시';
+
+    comment on column st_file.created_oid is
+        '생성자 OID';
+
+    comment on column st_file.file_size is
+        '파일 크기';
+
+    comment on column st_file.group_oid is
+        '그룹 OID';
+
+    comment on column st_file.oid is
+        'OID';
+
+    comment on column st_file.updated_at is
+        '수정일시';
+
+    comment on column st_file.updated_oid is
+        '수정자 OID';
+
+    comment on column st_file.content_type is
+        '콘텐츠 타입';
+
+    comment on column st_file.created_id is
+        '생성자 ID';
+
+    comment on column st_file.description is
+        '설명';
+
+    comment on column st_file.file_path is
+        '파일 경로';
+
+    comment on column st_file.original_file_name is
+        '원본 파일명';
+
+    comment on column st_file.stored_file_name is
+        '저장 파일명';
+
+    comment on column st_file.updated_id is
+        '수정자 ID';
+
     create table st_member (
         use_flag boolean not null,
         created_at timestamp(6) not null,
@@ -80,6 +230,51 @@
         primary key (oid)
     );
 
+    comment on column st_member.use_flag is
+        '사용 여부';
+
+    comment on column st_member.created_at is
+        '생성일시';
+
+    comment on column st_member.created_oid is
+        '생성자 OID';
+
+    comment on column st_member.last_login_at is
+        '마지막 로그인 일시';
+
+    comment on column st_member.oid is
+        'OID';
+
+    comment on column st_member.updated_at is
+        '수정일시';
+
+    comment on column st_member.updated_oid is
+        '수정자 OID';
+
+    comment on column st_member.login_ip is
+        '로그인 IP';
+
+    comment on column st_member.name is
+        '이름';
+
+    comment on column st_member.password is
+        '비밀번호';
+
+    comment on column st_member.user_id is
+        '사용자 ID';
+
+    comment on column st_member.refresh_token is
+        '리프레시 토큰';
+
+    comment on column st_member.created_id is
+        '생성자 ID';
+
+    comment on column st_member.email is
+        '이메일';
+
+    comment on column st_member.updated_id is
+        '수정자 ID';
+
     create index idx_common_code_code 
        on st_common_code (code);
 
diff --git a/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonCode.java b/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonCode.java
index 8723cc6..2895ddf 100644
--- a/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonCode.java
+++ b/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonCode.java
@@ -8,6 +8,7 @@ import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.hibernate.annotations.Comment;
 
 @Entity
 @Getter @Setter
@@ -25,40 +26,52 @@ import lombok.Setter;
 public class CommonCode extends BaseEntity {
 
     @Column(name = "code", nullable = false, length = 50, unique = true)
+    @Comment("코드")
     private String code;
 
     @Column(name = "name", nullable = false, length = 100)
+    @Comment("코드명")
     private String name;
 
     @Column(name = "description", length = 500)
+    @Comment("설명")
     private String description;
 
     @Column(name = "group_code", nullable = false, length = 50)
+    @Comment("그룹 코드")
     private String groupCode;
 
     @Column(name = "parent_code", length = 50)
+    @Comment("부모 코드")
     private String parentCode;
 
     @Column(name = "character_ref1", length = 100)
+    @Comment("문자 참조1")
     private String characterRef1;
 
     @Column(name = "character_ref2", length = 100)
+    @Comment("문자 참조2")
     private String characterRef2;
 
     @Column(name = "character_ref3", length = 100)
+    @Comment("문자 참조3")
     private String characterRef3;
 
     @Column(name = "character_ref4", length = 100)
+    @Comment("문자 참조4")
     private String characterRef4;
 
     @Column(name = "character_ref5", length = 100)
+    @Comment("문자 참조5")
     private String characterRef5;
 
     @Column(name = "sort_order", nullable = false)
+    @Comment("정렬 순번")
     @Builder.Default
     private Integer sortOrder = 0;
 
     @Column(name = "use_flag", nullable = false)
+    @Comment("사용 여부")
     @Builder.Default
     private Boolean useFlag = true;
 
diff --git a/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonGroupCode.java b/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonGroupCode.java
index 4cccf73..9741a69 100644
--- a/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonGroupCode.java
+++ b/src/main/java/com/bio/bio_backend/domain/admin/common_code/entity/CommonGroupCode.java
@@ -8,6 +8,7 @@ import lombok.Builder;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
 import lombok.Setter;
+import org.hibernate.annotations.Comment;
 
 @Entity
 @Getter @Setter
@@ -23,31 +24,40 @@ import lombok.Setter;
 public class CommonGroupCode extends BaseEntity {
 
     @Column(name = "code", nullable = false, length = 50, unique = true)
+    @Comment("코드")
     private String code;
 
     @Column(name = "name", nullable = false, length = 100)
+    @Comment("코드명")
     private String name;
 
     @Column(name = "character_ref1_title", length = 100)
+    @Comment("문자 참조 타이틀1")
     private String characterRef1Title;
 
     @Column(name = "character_ref2_title", length = 100)
+    @Comment("문자 참조 타이틀2")
     private String characterRef2Title;
 
     @Column(name = "character_ref3_title", length = 100)
+    @Comment("문자 참조 타이틀3")
     private String characterRef3Title;
 
     @Column(name = "character_ref4_title", length = 100)
+    @Comment("문자 참조 타이틀4")
     private String characterRef4Title;
 
     @Column(name = "character_ref5_title", length = 100)
+    @Comment("문자 참조 타이틀5")
     private String characterRef5Title;
 
     @Column(name = "sort_order", nullable = false)
+    @Comment("정렬 순번")
     @Builder.Default
     private Integer sortOrder = 0;
 
     @Column(name = "use_flag", nullable = false)
+    @Comment("사용 여부")
     @Builder.Default
     private Boolean useFlag = true;
 }
diff --git a/src/main/java/com/bio/bio_backend/domain/base/file/entity/File.java b/src/main/java/com/bio/bio_backend/domain/base/file/entity/File.java
index 8d33e9b..7e824f4 100644
--- a/src/main/java/com/bio/bio_backend/domain/base/file/entity/File.java
+++ b/src/main/java/com/bio/bio_backend/domain/base/file/entity/File.java
@@ -4,6 +4,7 @@ import com.bio.bio_backend.global.constants.AppConstants;
 import com.bio.bio_backend.global.entity.BaseEntity;
 import jakarta.persistence.*;
 import lombok.*;
+import org.hibernate.annotations.Comment;
 
 @Entity
 @Table(name = AppConstants.TABLE_PREFIX + "file")
@@ -15,27 +16,35 @@ import lombok.*;
 public class File extends BaseEntity {
     
     @Column(nullable = false)
+    @Comment("원본 파일명")
     private String originalFileName;
     
     @Column(nullable = false)
+    @Comment("저장 파일명")
     private String storedFileName;
     
     @Column(nullable = false)
+    @Comment("파일 경로")
     private String filePath;
-    
+        
     @Column(nullable = false)
+    @Comment("파일 크기")
     private Long fileSize;
     
     @Column(nullable = false)
+    @Comment("콘텐츠 타입")
     private String contentType;
     
     @Column
+    @Comment("설명")
     private String description;
     
     @Column
+    @Comment("그룹 OID")
     private Long groupOid;
     
     @Column(nullable = false)
+    @Comment("사용 여부")
     @Builder.Default
     private Boolean useFlag = true;
 }
diff --git a/src/main/java/com/bio/bio_backend/domain/base/member/entity/Member.java b/src/main/java/com/bio/bio_backend/domain/base/member/entity/Member.java
index f3d68a0..3eb3c95 100644
--- a/src/main/java/com/bio/bio_backend/domain/base/member/entity/Member.java
+++ b/src/main/java/com/bio/bio_backend/domain/base/member/entity/Member.java
@@ -11,6 +11,8 @@ import lombok.Setter;
 
 import java.time.LocalDateTime;
 
+import org.hibernate.annotations.Comment;
+
 @Entity
 @Getter @Setter
 @NoArgsConstructor
@@ -25,30 +27,36 @@ import java.time.LocalDateTime;
 public class Member extends BaseEntity {
 
     @Column(name = "user_id", nullable = false, length = 100)
+    @Comment("사용자 ID")
     private String userId;
 
     @Column(name = "password", nullable = false, length = 100)
+    @Comment("비밀번호")
     private String password;
 
     @Column(name = "name", nullable = false, length = 100)
+    @Comment("이름")
     private String name;
 
     @Column(name = "email", nullable = false, length = 255)
+    @Comment("이메일")
     private String email;
 
-
-
     @Column(name = "use_flag", nullable = false)
+    @Comment("사용 여부")
     @Builder.Default
     private Boolean useFlag = true;
 
     @Column(name = "refresh_token", length = 1024)
+    @Comment("리프레시 토큰")
     private String refreshToken;
 
     @Column(name = "login_ip", length = 45)  // IPv6 지원을 위해 45자
+    @Comment("로그인 IP")
     private String loginIp;
 
     @Column(name = "last_login_at")
+    @Comment("마지막 로그인 일시")
     private LocalDateTime lastLoginAt;
     
 }
\ No newline at end of file
diff --git a/src/main/java/com/bio/bio_backend/global/entity/BaseEntity.java b/src/main/java/com/bio/bio_backend/global/entity/BaseEntity.java
index a4ae824..94ae04a 100644
--- a/src/main/java/com/bio/bio_backend/global/entity/BaseEntity.java
+++ b/src/main/java/com/bio/bio_backend/global/entity/BaseEntity.java
@@ -3,6 +3,8 @@ package com.bio.bio_backend.global.entity;
 import jakarta.persistence.*;
 import lombok.Getter;
 import lombok.Setter;
+
+import org.hibernate.annotations.Comment;
 import org.springframework.data.annotation.CreatedDate;
 import org.springframework.data.annotation.LastModifiedDate;
 import org.springframework.data.jpa.domain.support.AuditingEntityListener;
@@ -23,26 +25,33 @@ public abstract class BaseEntity {
 
     @Id
     @Column(name = "oid", nullable = false)
+    @Comment("OID")
     private Long oid;
 
     @CreatedDate
     @Column(name = "created_at", nullable = false, updatable = false)
+    @Comment("생성일시")
     private LocalDateTime createdAt;
 
     @LastModifiedDate
     @Column(name = "updated_at", nullable = false)
+    @Comment("수정일시")
     private LocalDateTime updatedAt;
 
     @Column(name = "created_oid", updatable = false)
+    @Comment("생성자 OID")
     private Long createdOid;
 
     @Column(name = "updated_oid")
+    @Comment("수정자 OID")
     private Long updatedOid;
 
     @Column(name = "created_id", updatable = false)
+    @Comment("생성자 ID")
     private String createdId;
 
     @Column(name = "updated_id")
+    @Comment("수정자 ID")
     private String updatedId;
     
 }