Difficulty in defecation one month after hemorrhoid surgery may be correlated with local stenosis, mainly due to local adhesion or scar formation. In addition to stenosis, other causes include dryness of stool, local pain, and abnormal anal sphincter function. 1. Stool dryness: After hemorrhoid surgery, poor diet and low activity during recovery may lead to stool dryness and cause difficulty in defecation. 2. Localized pain: pain and discomfort around the wound and fear of defecation can lead to difficulty in defecation and other corresponding conditions. 3. Abnormal anal sphincter function: mainly closely related to the anal sphincter spasm, which will lead to the anus can not be expanded normally, causing symptoms related to bowel difficulties. One month after hemorrhoid surgery, difficult to pass stool, accompanied by bleeding, need to consult a doctor in time to observe, clarify the specific causes, give targeted correct treatment.