Lack of ventilation after hemorrhoid surgery may be caused by postoperative inflammation leading to mucosal edema, the patient’s fear of pain, and narrowing of the surgical scar. It can be relieved by adjusting the diet, sitz bath, anal dilation and other means. 1. Adjust the diet: patients should eat more food high in fiber, common foods high in fiber are oats, black rice, celery, leeks, cabbage, apples, bananas, kiwi and so on. High-fiber foods help patients gastrointestinal peristalsis, early defecation and exhaust. 2. Sitz bath: patients after hemorrhoid surgery can use 1:5000 potassium permanganate solution or warm water for sitz bath. The sitz bath helps to promote local blood circulation, reduce local inflammation, so that the patient as soon as possible exhaust. 3. Expansion of the anus: hemorrhoid surgery patients defecation gas obstruction may also be caused by surgical scar stenosis. This kind of patients should go to the regular hospital to follow the doctor’s instructions to expand the anus treatment. For hemorrhoid surgery can not exhaust the patient, should be as soon as possible to the regular hospital, under the guidance of a professional physician to clarify the cause of treatment, so as not to delay the condition and lead to adverse results.