What does a nursery rhyme with a national flag mean?

Hanging the national flag nursery rhyme is a nursery rhyme called hanging the national flag. Mom said that today is October 1st, and we should remember the birthday of our motherland. Put down our little toys, take our kittens and jump out to help mother hang the national flag. The national flag is flying in my heart, and children who love the motherland are the most beautiful.