diff --git a/backend/feature/post/src/adapter/gateway.rs b/backend/feature/post/src/adapter/gateway.rs
index 254c048..38d8fbf 100644
--- a/backend/feature/post/src/adapter/gateway.rs
+++ b/backend/feature/post/src/adapter/gateway.rs
@@ -1,6 +1,6 @@
-pub mod color_mapper;
-pub mod label_mapper;
+pub mod color_db_mapper;
+pub mod label_db_mapper;
+pub mod post_db_mapper;
 pub mod post_db_service;
-pub mod post_info_mapper;
-pub mod post_mapper;
+pub mod post_info_db_mapper;
 pub mod post_repository_impl;
diff --git a/backend/feature/post/src/adapter/gateway/color_mapper.rs b/backend/feature/post/src/adapter/gateway/color_db_mapper.rs
similarity index 100%
rename from backend/feature/post/src/adapter/gateway/color_mapper.rs
rename to backend/feature/post/src/adapter/gateway/color_db_mapper.rs
diff --git a/backend/feature/post/src/adapter/gateway/label_mapper.rs b/backend/feature/post/src/adapter/gateway/label_db_mapper.rs
similarity index 76%
rename from backend/feature/post/src/adapter/gateway/label_mapper.rs
rename to backend/feature/post/src/adapter/gateway/label_db_mapper.rs
index a423237..9c8c9c0 100644
--- a/backend/feature/post/src/adapter/gateway/label_mapper.rs
+++ b/backend/feature/post/src/adapter/gateway/label_db_mapper.rs
@@ -1,4 +1,4 @@
-use crate::{adapter::gateway::color_mapper::ColorMapper, domain::entity::label::Label};
+use crate::{adapter::gateway::color_db_mapper::ColorMapper, domain::entity::label::Label};
 
 pub struct LabelMapper {
     pub id: i32,
diff --git a/backend/feature/post/src/adapter/gateway/post_mapper.rs b/backend/feature/post/src/adapter/gateway/post_db_mapper.rs
similarity index 75%
rename from backend/feature/post/src/adapter/gateway/post_mapper.rs
rename to backend/feature/post/src/adapter/gateway/post_db_mapper.rs
index 42da4e2..a5d7ff9 100644
--- a/backend/feature/post/src/adapter/gateway/post_mapper.rs
+++ b/backend/feature/post/src/adapter/gateway/post_db_mapper.rs
@@ -1,4 +1,4 @@
-use crate::{adapter::gateway::post_info_mapper::PostInfoMapper, domain::entity::post::Post};
+use crate::{adapter::gateway::post_info_db_mapper::PostInfoMapper, domain::entity::post::Post};
 
 pub struct PostMapper {
     pub id: i32,
diff --git a/backend/feature/post/src/adapter/gateway/post_db_service.rs b/backend/feature/post/src/adapter/gateway/post_db_service.rs
index 873e146..489a0b2 100644
--- a/backend/feature/post/src/adapter/gateway/post_db_service.rs
+++ b/backend/feature/post/src/adapter/gateway/post_db_service.rs
@@ -1,7 +1,7 @@
 use async_trait::async_trait;
 
 use crate::{
-    adapter::gateway::{post_info_mapper::PostInfoMapper, post_mapper::PostMapper},
+    adapter::gateway::{post_info_db_mapper::PostInfoMapper, post_db_mapper::PostMapper},
     application::error::post_error::PostError,
 };
 
diff --git a/backend/feature/post/src/adapter/gateway/post_info_mapper.rs b/backend/feature/post/src/adapter/gateway/post_info_db_mapper.rs
similarity index 88%
rename from backend/feature/post/src/adapter/gateway/post_info_mapper.rs
rename to backend/feature/post/src/adapter/gateway/post_info_db_mapper.rs
index b8c5490..3862e0e 100644
--- a/backend/feature/post/src/adapter/gateway/post_info_mapper.rs
+++ b/backend/feature/post/src/adapter/gateway/post_info_db_mapper.rs
@@ -1,6 +1,6 @@
 use chrono::{DateTime, NaiveDateTime, Utc};
 
-use crate::{adapter::gateway::label_mapper::LabelMapper, domain::entity::post_info::PostInfo};
+use crate::{adapter::gateway::label_db_mapper::LabelMapper, domain::entity::post_info::PostInfo};
 
 pub struct PostInfoMapper {
     pub id: i32,
diff --git a/backend/feature/post/src/framework/db/post_db_service_impl.rs b/backend/feature/post/src/framework/db/post_db_service_impl.rs
index 77311c1..a6e3948 100644
--- a/backend/feature/post/src/framework/db/post_db_service_impl.rs
+++ b/backend/feature/post/src/framework/db/post_db_service_impl.rs
@@ -5,8 +5,8 @@ use sqlx::{Pool, Postgres};
 
 use crate::{
     adapter::gateway::{
-        color_mapper::ColorMapper, label_mapper::LabelMapper, post_db_service::PostDbService,
-        post_info_mapper::PostInfoMapper, post_mapper::PostMapper,
+        color_db_mapper::ColorMapper, label_db_mapper::LabelMapper, post_db_service::PostDbService,
+        post_info_db_mapper::PostInfoMapper, post_db_mapper::PostMapper,
     },
     application::error::post_error::PostError,
 };