Edema after hemorrhoid surgery may be venous reflux obstruction, too much resected tissue, secondary infection on the injured surface caused by different causes and eliminated in different ways. 1. Venous return obstruction: One of the reasons for the formation of hemorrhoids is venous reflux obstruction caused by the post-surgical toilet for too long, or hemorrhoidal nuclei prolapse embedded, and cause blood reflux obstruction and stasis edema occurs. Avoid squatting, sitting and standing for a long time. Usually eat more fresh fruits and vegetables, keep the bowel movement, do not eat stimulating food, light diet, high protein food in moderation, usually drink more water, reasonable diet, do not smoke and drink, etc., to develop a good dietary habits. 2. Remove too much tissue: Removing too much tissue during surgery will lead to excessive suture tension, causing obstruction of blood-lymphatic reflux and resulting in edema. Treatment: you can use warm water sitz bath, can also add a certain proportion of potassium permanganate, can play a role in anti-inflammatory, reduce swelling. With the taking of anti-inflammatory drugs, such as cephradine, amoxicillin, metronidazole and so on. 3. Secondary infection of the injured surface: Infection of the injured surface leads to increased exudate and tissue edema after hemorrhoid surgery. Treatment: you can apply some local drugs, including musk hemorrhoid cream, bear bile hemorrhoid cream, etc. These drugs can play the blood circulation and remove blood stasis (to promote blood circulation, eliminate blood stasis in the body), reduce swelling and relieve pain (to eliminate swelling and pain), remove heat and detoxification (to remove heat and toxicity in the body) effect, for the hemorrhoid surgery after edema effect are relatively good. If the symptoms of edema after hemorrhoid surgery are not relieved, or accompanied by other symptoms, you should go to the hospital in a timely manner, to clarify the cause and then give targeted treatment.