diff --git a/be/src/main/java/buddyguard/mybuddyguard/weight/contoller/response/WeightResponse.java b/be/src/main/java/buddyguard/mybuddyguard/weight/contoller/response/WeightResponse.java
index 96a4d5c1..d50678b6 100644
--- a/be/src/main/java/buddyguard/mybuddyguard/weight/contoller/response/WeightResponse.java
+++ b/be/src/main/java/buddyguard/mybuddyguard/weight/contoller/response/WeightResponse.java
@@ -7,6 +7,7 @@ public record WeightResponse(
         Long petId,
         Double weight,
         LocalDateTime recordedAt,
+        String mainCategory,
         String description
 ) {
 
diff --git a/be/src/main/java/buddyguard/mybuddyguard/weight/mapper/WeightMapper.java b/be/src/main/java/buddyguard/mybuddyguard/weight/mapper/WeightMapper.java
index a4bfd5df..7b92bdaa 100644
--- a/be/src/main/java/buddyguard/mybuddyguard/weight/mapper/WeightMapper.java
+++ b/be/src/main/java/buddyguard/mybuddyguard/weight/mapper/WeightMapper.java
@@ -13,6 +13,7 @@ public static WeightResponse toResponse(Weight weight) {
                 weight.getPetId(),
                 weight.getWeight(),
                 weight.getRecordedAt(),
+                "체중",
                 weight.getDescription()
         );
     }