Generally, people who have had hemorrhoid surgery are treated with anal dilation about 2 to 3 weeks after surgery. But the exact time varies from person to person. In the current clinical, hemorrhoid people after surgery, because of the surgical wound scar repair, and then scar contraction, which will lead to anal narrowing, the symptoms of defecation difficulties. For this kind of people, generally in the postoperative 2~3 weeks or so to expand the anus treatment, each time 3~5 minutes, adhere to the expansion of the anus for about 1 month will have very good results. Expansion of the anus should be gradual, operated by a professional doctor, the first expansion of a finger, and then slowly add for two fingers, and then expand for three fingers, expanding the anus to about 3cm, to be two fingers into the anus without tightness for the best. After hemorrhoid surgery need to carry out anal expansion treatment of the crowd, it is recommended to the regular hospital by a professional doctor, according to the individual’s condition in accordance with the doctor’s instructions.