diff --git a/app/src/main/java/com/example/medilightv2android/models/ClinicalSession.kt b/app/src/main/java/com/example/medilightv2android/models/ClinicalSession.kt
index eedcd8b..1fad5bf 100644
--- a/app/src/main/java/com/example/medilightv2android/models/ClinicalSession.kt
+++ b/app/src/main/java/com/example/medilightv2android/models/ClinicalSession.kt
@@ -26,16 +26,16 @@ enum class ClinicalPosture(val label: String) {
 
 /**
  * 측정 단계.
- *  - ALIGN_0CM ~ ALIGN_4CM: 정렬모드 알고리즘 개발용 (치골 위 0~4cm)
+ *  - ALIGN_0CM ~ ALIGN_4CM: 정렬모드 알고리즘 개발용 (기기 아래 끝 기준 치골 위 0~4cm)
  *  - BV: cradle 부착 후 본측정 (방광 추정 알고리즘 개발용)
  */
-enum class ClinicalStep(val label: String, val isAlignment: Boolean) {
-    ALIGN_0CM("0 cm", true),
-    ALIGN_1CM("1 cm", true),
-    ALIGN_2CM("2 cm", true),
-    ALIGN_3CM("3 cm", true),
-    ALIGN_4CM("4 cm", true),
-    BV("BV", false)
+enum class ClinicalStep(val label: String, val description: String, val isAlignment: Boolean) {
+    ALIGN_0CM("0 cm", "기기 아래 끝이 치골 바로 위", true),
+    ALIGN_1CM("1 cm", "치골 위로 1 cm", true),
+    ALIGN_2CM("2 cm", "치골 위로 2 cm", true),
+    ALIGN_3CM("3 cm", "치골 위로 3 cm", true),
+    ALIGN_4CM("4 cm", "치골 위로 4 cm", true),
+    BV("BV", "Cradle 부착 후 본측정", false)
 }
 
 data class ClinicalSession(
diff --git a/app/src/main/java/com/example/medilightv2android/ui/views/clinical/ClinicalHomeView.kt b/app/src/main/java/com/example/medilightv2android/ui/views/clinical/ClinicalHomeView.kt
index f274413..0946a72 100644
--- a/app/src/main/java/com/example/medilightv2android/ui/views/clinical/ClinicalHomeView.kt
+++ b/app/src/main/java/com/example/medilightv2android/ui/views/clinical/ClinicalHomeView.kt
@@ -147,6 +147,15 @@ fun ClinicalHomeView(appState: AppState) {
         Spacer(modifier = Modifier.height(12.dp))
 
         LabeledSegmented("Step", ClinicalStep.values().toList(), step, { step = it }) { it.label }
+        Spacer(modifier = Modifier.height(4.dp))
+        // 선택된 Step의 부가 설명 (치골 위로 N cm 등)
+        Text(
+            "→ ${step.description}",
+            fontSize = 12.sp,
+            color = MlPrimary,
+            fontWeight = FontWeight.SemiBold,
+            modifier = Modifier.padding(start = 4.dp)
+        )
         Spacer(modifier = Modifier.height(12.dp))
 
         OutlinedTextField(