It may be caused by eating unclean food, or it may be caused by bad dietary habits. It is caused by irregular meals and frequent consumption of cold, spicy, oily and stimulating foods that lead to gastric dysfunction and indigestion. It may also be caused by digestive system diseases such as gastroptosis, chronic gastritis, gastric erosion, peptic ulcer and so on. Mainly due to the excessive secretion of gastric acid under the stimulation of food to stimulate the gastric mucosa, once suffering from gastric ulcer, gastric erosion will aggravate the pain. In addition, biliary tract diseases, such as cholecystitis, can also trigger the symptoms. It is recommended to avoid drinking strong tea, coffee and alcohol, and avoid eating cold, hard and spicy food. If it is caused by gastritis, gastric ulcer and other stomach diseases, it can be treated with proton pump inhibitors such as omeprazole, lansoprazole and esomeprazole. If it is caused by biliary tract diseases, these undergo systematic examination and symptomatic treatment.