Clinically, different methods of swelling reduction can be adopted according to the specific causes of edema in patients. For patients with cirrhosis, the ability of the liver to synthesize albumin is significantly reduced, which can cause hypoproteinemia, and water in the blood vessels can seep into the abdominal cavity or limbs and cause obvious swelling. At this time, patients need to strictly limit water intake, actively supplement human albumin, strengthen diuresis, and promote water excretion in the body to eliminate swelling of the extremities more quickly. Second, for allergic patients, allergic allergic reactions will occur after contact with allergens, manifesting as obvious swelling of the face, eyes and limbs. At this time, patients need to stay away from allergens as soon as possible, oral paracetamol, intravenous injection of vitamin C, dexamethasone and other anti-allergy drugs to reduce the body allergic allergic reaction local swelling symptoms can be relieved more quickly.