1. Graduates from previous high schools, technical secondary schools and vocational high schools, male or female, passed the interview and political examination.
2. Good facial features, good complexion, good health, well-proportioned figure, cheerful personality and dignified behavior; Height: female: 160cm- 174cm, male: 170cm- 185cm. Weight kg= (height cm- 1 10)+ (height cm-110) x10%. Vision: binocular corrected vision (e-table) is not less than 4.8; Color vision and smell are normal; No obvious scars on face, neck and hands; Clear articulation, accurate pronunciation in Chinese and English, and normal hearing; No history of mental illness, no history of hepatitis, no history of chronic diseases, no obvious internal and external personality.