Patients with atrophic gastritis are advised not to eat watermelon. 1. Watermelon belongs to cold food, atrophic gastritis people’s stomach digestion and absorption function is weak, after consuming watermelon may further reduce the stomach’s digestion and absorption ability, is not conducive to the recovery of atrophic gastritis. 2. Watermelon may irritate the mucous membrane of the gastrointestinal tract, leading to abdominal pain, diarrhea and other symptoms of discomfort aggravation, is also not conducive to the recovery of atrophic gastritis, especially during the period of treatment, may reduce the efficacy of the drug, increase the treatment cycle. Patients with atrophic gastritis are advised to eat a light diet with plenty of fresh vegetables, regular rest and relaxation, as well as actively cooperate with the doctor for treatment.