diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md b/놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md
index 78964e1..1243bd7 100644
--- a/놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md	
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md	
@@ -143,6 +143,13 @@
 
 ### 컴포지트(Composite) 패턴
 
+#### 구현 요구사항
+
+- 프랜차이즈 기업의 정산은 가맹점으로 가입된 모든 가게들의 정산을 포함한다.
+- 프랜차이즈 기업은 다른 프랜차이즈 기업을 포함할 수 있다.
+- 프랜차이즈 기업은 이름을 갖는다.
+- 프랜차이즈 가맹점은 이름을 갖는다.
+
 ### 널(Null) 객체 패턴
 
 ## 참고자료
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeApplication.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeApplication.kt
new file mode 100644
index 0000000..c1e9785
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeApplication.kt	
@@ -0,0 +1,17 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.after
+
+class FranchiseeApplication
+
+fun main() {
+    val coffeeCorporation = FranchiseeCorporation("커피프린스")
+    coffeeCorporation.addStore(FranchiseeStore("1호점"))
+    coffeeCorporation.calculate()
+
+    println()
+    println("가맹점 정산을 완료했습니다.")
+    println()
+
+    val franchiseeCorporation = FranchiseeCorporation("모두의 프랜차이즈")
+    franchiseeCorporation.addStore(coffeeCorporation)
+    franchiseeCorporation.calculate()
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeCorporation.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeCorporation.kt
new file mode 100644
index 0000000..a948dc8
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeCorporation.kt	
@@ -0,0 +1,21 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.after
+
+class FranchiseeCorporation(
+    private val name: String,
+    private val stores: MutableList<Store> = mutableListOf()
+) : Store {
+    fun addStore(store: Store) {
+        stores.add(store)
+    }
+
+    fun removeStore(store: Store) {
+        stores.remove(store)
+    }
+
+    override fun calculate() {
+        for (store in stores) {
+            store.calculate()
+        }
+        println("프랜차이즈 기업 [$name]의 정산을 완료했습니다.")
+    }
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeStore.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeStore.kt
new file mode 100644
index 0000000..1bef1a6
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/FranchiseeStore.kt	
@@ -0,0 +1,9 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.after
+
+class FranchiseeStore(
+    val name: String
+) : Store {
+    override fun calculate() {
+        println("프랜차이즈 가게 [$name]이(가) 정산을 진행합니다.")
+    }
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/Store.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/Store.kt
new file mode 100644
index 0000000..945e67a
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/after/Store.kt	
@@ -0,0 +1,5 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.after
+
+interface Store {
+    fun calculate()
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeApplication.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeApplication.kt
new file mode 100644
index 0000000..d72c099
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeApplication.kt	
@@ -0,0 +1,17 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.before
+
+class FranchiseeApplication
+
+fun main() {
+    val coffeeCorporation = FranchiseeCorporation("커피프린스")
+    coffeeCorporation.addStore(FranchiseeStore("1호점"))
+    coffeeCorporation.calculateAllStores()
+
+    println()
+    println("가맹점 정산을 완료했습니다.")
+    println()
+
+    val franchiseeCorporation = FranchiseeCorporation("모두의 프랜차이즈")
+    franchiseeCorporation.addCorporation(coffeeCorporation)
+    franchiseeCorporation.calculateAllCorporations()
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeCorporation.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeCorporation.kt
new file mode 100644
index 0000000..91994c2
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeCorporation.kt	
@@ -0,0 +1,37 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.before
+
+class FranchiseeCorporation(
+    private val name: String,
+    private val corporations: MutableList<FranchiseeCorporation> = mutableListOf(),
+    private val stores: MutableList<FranchiseeStore> = mutableListOf()
+) {
+    fun addCorporation(franchiseeCorporation: FranchiseeCorporation) {
+        corporations.add(franchiseeCorporation)
+    }
+
+    fun removeCorporation(franchiseeCorporation: FranchiseeCorporation) {
+        corporations.remove(franchiseeCorporation)
+    }
+
+    fun addStore(store: FranchiseeStore) {
+        stores.add(store)
+    }
+
+    fun removeStore(store: FranchiseeStore) {
+        stores.remove(store)
+    }
+
+    fun calculateAllCorporations() {
+        for (corporation in corporations) {
+            corporation.calculateAllStores()
+        }
+        println("프랜차이즈 기업 [$name]의 정산을 완료했습니다.")
+    }
+
+    fun calculateAllStores() {
+        for (store in stores) {
+            store.calculate()
+        }
+        println("프랜차이즈 기업 [$name]의 정산을 완료했습니다.")
+    }
+}
diff --git a/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeStore.kt b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeStore.kt
new file mode 100644
index 0000000..d74b9b6
--- /dev/null
+++ b/놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/composite/before/FranchiseeStore.kt	
@@ -0,0 +1,9 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.composite.before
+
+class FranchiseeStore(
+    val name: String
+) {
+    fun calculate() {
+        println("프랜차이즈 가게 [$name]이(가) 정산을 진행합니다.")
+    }
+}