Edema is mostly caused by gastric inflammation and infection, dietary factors, or consumption of certain drugs or foods and other reasons, causing gastric mucosal congestion and swelling. Generally take aminoglycoside anti-inflammatory drugs, such as gentamicin, etc., diuretic drugs, such as dihydroketorolac or spironolactone, etc. The treatment effect is better, and oral mannitol injection is more effective, but it is easy to cause diarrhea. In the acute stage, you should abstain from food and water so as not to aggravate the condition. If the condition is mild, you should eat light, easy to digest liquid food, avoid cold, spicy, hard, rough, too greasy food, so as not to cause gastric mucosal bleeding, strictly prohibit alcohol. If the symptoms are not relieved or aggravated, it is necessary to go to the gastroenterology department of regular public hospitals in a timely manner to find out the cause of the disease, and then take appropriate treatment by specialized doctors to avoid delaying the condition.