1, regular facial features, well-proportioned figure, good complexion, visual acuity: binocular corrected visual acuity (E-shaped table) is not less than 4.8.

2. There are no obvious scars and tattoos on the exposed parts of the body such as face, neck and arms. Only for civil aviation and high-speed rail majors.

3, articulate, accurate pronunciation in Chinese and English, normal hearing, no history of mental illness, no history of hepatitis, no history of chronic diseases.