The number and duration of dilation after hemorrhoid surgery depends on how well the hemorrhoids recover after surgery. Usually 1~2 times/day for 1~2 weeks. 1. usually perform anal hemorrhoidal circumcision, postoperative scar formation will cause a certain degree of narrowing of the anus, this time the need to expand the anus treatment, first wear rubber gloves coated with lubricant, sit in the bath in the anus after the expansion of the anus, from a finger gradually increased two fingers. Expansion of the anus 1 to 2 times a day, the degree of expansion to the effect of smooth defecation. 2. After a period of time after defecation is smooth, there is no need to carry out anal expansion, under normal circumstances, continuous expansion of 1 to 2 weeks after the obvious effect, as long as the defecation is smooth can be no need to continue to expand the anus. Specific postoperative anal expansion operation and time, it is recommended to consult a professional doctor, the best in the regular hospital, so as not to affect the postoperative recovery.