Good health, height between 160- 180cm, strong interest and desire in flying, open-minded. The naval aviation experimental class is a naval youth aviation school built by the navy and the Ministry of Education relying on Hefei No.10 Middle School. Physical examination of school enrollment requires good health, and the height is between 160- 180cm. Weight is between 80%- 130% of the standard weight (standard weight kg= height cm-110); The "E" word table test of binocular naked-eye far vision is above 1.2. They have a strong interest and desire for flying, broad-minded, without color blindness, color weakness and strabismus.