There is no such thing as the fastest way to reduce edema after surgery. Depending on the actual condition of the patient, cold compresses, diuretics, protein supplements and other methods can be used to promote the reduction of swelling. 1. Cold compresses: Cold compresses on swollen areas can reduce the temperature of local tissues, slow down the local blood flow and slow down the exudation of blood into the tissue interstitial space, so as to achieve the purpose of eliminating edema. After 48 hours after surgery, it is necessary to change to hot compresses. At this time, the wound oozing blood stagnation, hot compresses can promote the wound blood circulation, accelerate the swelling. 2. Diuretic: for edema, whether generalized edema or local edema, you can take the method of diuretic, according to the patient’s own situation to choose diuretics, such as tachycardia, hydrochlorothiazide and so on. When using diuretics, patients should have good renal function. 3. Supplementary protein: for patients with poor nutritional status and low albumin in blood, it is easy to have obvious postoperative edema. At this time, intravenous infusion of human albumin, plasma, etc. to increase the concentration of albumin in the blood, to promote the elimination of edema. Diet also needs to supplement the intake of high-quality protein, such as chicken, fish, milk and so on. There are many other measures to reduce postoperative edema, but no matter which method, it is necessary to follow the doctor’s instructions.