diff --git a/DailySummary/是否是完全二叉树.cpp b/DailySummary/是否是完全二叉树.cpp
new file mode 100644
index 0000000..a5bf4db
--- /dev/null
+++ b/DailySummary/是否是完全二叉树.cpp
@@ -0,0 +1,19 @@
+bool IsComplete(BiTree T){
+	InitQueue(Q);
+	if(!T) return 1;
+	EnQueue(Q, T);
+	while(!IsEmpty(Q)){
+		DeQueue(Q, p);
+		if(p){
+			EnQueue(Q, p->lchild);
+			EnQueue(Q, p->rchild);
+		}
+		else{
+			while(!IsEmpty(Q)){
+				DeQueue(Q, p);
+				if(p) return 0;
+			}
+		}
+	}
+	return 1;
+}