diff --git a/栈/顺序栈的共享栈初始化.c b/栈/顺序栈的共享栈初始化.c
new file mode 100644
index 0000000..8acc0b7
--- /dev/null
+++ b/栈/顺序栈的共享栈初始化.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <stdlib.h> 
+#include <stdbool.h>
+#define MaxSize 10
+
+typedef struct{
+	int data[MaxSize];  //静态数组存放栈中元素
+	int top0;  //0号栈栈顶指针
+	int top1;  //1号栈栈顶指针
+}ShStack;
+
+//初始化栈
+void InitStack(ShStack *S){
+	S->top0 = -1;
+	S->top1 = MaxSize;
+}
+//栈满
+bool fillStack(ShStack S){
+	if(S.top0+1==S.top1){
+		return true;
+	}else{
+		return false;
+	}
+}
+
+int main(){
+	ShStack S;
+	InitStack(&S);
+	printf("%d",fillStack(S));
+	return 0;
+}