Post-operative edema of breast cancer patients is generally treated by eliminating edema, and the main methods are as follows:1. Elevate the affected limbs: the edema of breast cancer is generally caused by edema of the affected limbs after breast surgery, and the edema of the affected limbs is mainly caused by lymphatic drainage obstacle, because after lymph node clearance, the obstacle of lymphatic reflux leads to the edema of the affected limbs frequently, in such a case, the elevation of the affected limbs can promote lymphatic reflux to improve the edema.2. Avoid weight-bearing: try not to use weight-bearing, and in case of weight-bearing, it can cause the obstacle of reflux that leads to the edema.3, Avoid weight-bearing: try not to use the affected limbs to bear weight, in the case of weight-bearing, it can cause reflux obstruction leading to edema of the affected limbs.3. Drug treatment: in the case of edema is particularly strong, it can take the use of dehydrating diuretics to alleviate the symptoms of edema. Most of the postoperative edema in breast cancer patients are treated in these ways.