Drug-induced edema, generally speaking, according to the specific situation of edema, clinically different treatment methods can be adopted: i. If the drug causes allergic allergic reaction in the patient’s body, tissue edema appears. At this time, the patient needs to stop the drug causing the allergic reaction, and reduce the allergic metaplasia in the body by intravenous supplementation of dexamethasone, vitamin C, calcium gluconate and other drugs, and intramuscular injection of finasteride 25mg. After the allergic reaction is completely controlled, the edema symptoms of the tissues can be gradually relieved without causing serious effects. Second, if the drug causes obvious necrosis of the body tissues and swelling. Such as patients with liver function damage drugs in large quantities will cause necrosis of liver cells, resulting in hypoproteinemia, causing swelling of the patient’s limbs. At this time, patients need active liver protection treatment, supplementation of human albumin, strengthening diuresis, and improving the colloid osmotic pressure of blood vessels, which can reduce the symptoms of swelling of tissues.