Age from 18 to 31 years old, height of 161CM (the image can be relaxed to 1.58CM for excellent people), vision of 1.1 or above (contact lenses can be worn), junior high school, technical secondary school, college degree or above, majoring in aviation service, foreign languages, tourism management, catering management, railways, etc. Regular facial features and even posture; Good health and no disease; Political reliability and no criminal record; Respect the post and love the industry, be conscientious and hard-working.