The maintenance of atrophic gastritis requires attention to the following aspects: 1, dietary habits: pay attention to reducing the intake of acid, spicy and stimulating foods, pay attention to nutritional balance, to ensure the intake of various foods such as fish, meat, eggs, milk, vegetables and fruits, the intake of vitamin-rich foods; 2, regular work and rest: to have regular habits, eat regularly and quantitatively, do not stay up late. Quit smoking, quit drinking, reduce the destruction of the gastrointestinal mucosa epithelium and gastrointestinal micro-ecosystem by tobacco and alcohol; 3, physical exercise: physical exercise can enhance physical fitness, resistance to disease, but also to promote the recovery of atrophic gastritis.