After hemorrhoid surgery itching after stool, may and trauma contamination, dietary structure, defecation abnormalities and other conditions related. 1. Wound contamination: after hemorrhoid surgery, especially take anastomosis hemorrhoidal mucosal circumcision and external peeling and internal ligation patients, there are surgical wounds after surgery, during defecation, if there is fecal contamination in the surgical wound, it may stimulate the patient itching symptoms. Patients need to be instructed to clean the wound and maintain local hygiene to improve itching symptoms. 2. Dietary structure: if the patient recently ate some spicy stimulating food, such as: chili, garlic, ginger, pepper, etc., food metabolism process, may directly stimulate the surgical wound, inducing patients to itch symptoms. In this case, the patient should be instructed to eat a reasonable diet, avoid eating stimulating foods. 3. Abnormal defecation: If there is dry stool, constipation and other conditions, the defecation process, can also damage the surgical wound, inducing itching symptoms. You need to eat more fresh vegetables and fruits to keep your bowel movement smooth. It is recommended that the hospital follow-up, standardized treatment.