1. According to the inquiry of China Education Bureau, the requirements for boys' hairstyles in No.9 Middle School are standard. The length of the buzz cut should not be too long.

2. No.9 Middle School requires girls to keep short hair, and long hair is not allowed. Girls' short hair is not allowed to have any length.

3. Ask girls to show their eyebrows before short hair. The bangs should not be shorter than the eyebrows, and the ears should be exposed at the same time. If the hair on the side blocks the ear, it should be lifted or fixed behind the ear.