"Little School Bag". According to the QQ Music official website, the lyrics in the song "Little School Bag" include "My little school bag, there are many little question marks." The song "Little School Bag" is a children's song sung by Li Xinrong. The song was inspired by Teacher Ni Hua, so My Little School Bag Still Has Many Little Question Marks is the song "Little School Bag". The song "Little School Bag" is very popular on platforms such as Douyin and is one of the childhood memories of many children.