Drug-induced edema, generally speaking, according to the specific situation of edema, clinically different treatment methods can be taken: i. If the drug causes allergic allergic reaction in the patient’s body, tissue edema appears. At this time, the patient needs to stop using the drug causing the allergic reaction, and reduce the allergic metaplasia in the body by applying dexamethasone, vitamin C, calcium gluconate and other drugs, and injecting finasteride 25mg intramuscularly. After the allergic reaction is completely controlled, the edema symptoms of the tissues can be gradually relieved and will not cause serious effects. Second, if the drug causes obvious necrosis of the body tissues and swelling. If the drug with liver function damage patients take a large number of drugs will cause necrosis of liver cells, resulting in hypoproteinemia, resulting in 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.