If there are acid reflux symptoms, dietary avoidance of high sugar, high fat, crude fiber food, avoiding tobacco, alcohol, strong tea and coffee, etc., do not eat before going to bed, elevate the head of the bed, do not wear tight-fitting clothes, obese people need to control their weight. Acid reflux in the stomach refers to gastroesophageal reflux, which is caused by the damage of anti-reflux structure and function, and the decrease of esophageal clearance, etc. It can be treated by adjusting the diet, eating more vegetables, coarse grains and other foods, and also by taking antacid medicines, such as omeprazole, lansoprazole, etc., gastric mucous membrane protectant, and bismuth potassium citrate. In addition, GERD can also be treated by surgery, such as fundoplication and antireflux surgery. To control acid reflux in the stomach, it is necessary to follow the doctor’s prescription of regular and rational use of medication, quit smoking and alcohol, control body weight, and perform regular gastroscopy to avoid the deterioration of the disease.