The main dietary restrictions for atrophic gastritis include quitting smoking and drinking. It is important to eat less salty and overly hot foods, and to avoid spicy and irritating foods. In addition, patients should avoid coarse foods and eat more fresh vegetables and fruits rich in vitamins. They should eat regularly, have small frequent meals, chew slowly, and maintain a pleasant mood. Patients with atrophic gastritis should maintain a regular diet and have periodic gastroscopy check-ups, as there is a potential for malignancy in atrophic gastritis patients.