Normally, after hemorrhoid surgery, anal dilatation is performed to prevent narrowing of the anal canal. For people with hemorrhoids, after surgery, the anus will be narrowed due to postoperative local scar contraction, which in turn causes defecation problems, the treatment to prevent this phenomenon is anal dilation. Expansion of the anus is usually carried out 3 to 7 days after the operation, and there will be obvious results if you insist on expanding the anus for 1 to 2 weeks. However, the specific time of anal dilation varies from person to person, according to the condition, under the guidance of professional doctors to decide. People after hemorrhoid surgery should also pay attention to the diet should be light, eat more fiber-rich fruits and vegetables, such as oleomargarine, celery, apples, etc., but also drink more water, soften the stool, which in turn facilitates the discharge of stool, pay attention to rest, conducive to the recovery of the condition. The phenomenon of anal stenosis after hemorrhoidal surgery, it is recommended to go to the hospital in a timely manner, follow the doctor’s instructions for early treatment.