For people who feel that their anus is smaller 3 months after mixed hemorrhoid surgery, it is possible that anal stenosis may have occurred, and anal dilatation is needed to treat it. Mixed hemorrhoid patients feel that their anus has become smaller 3 months after surgery, it may be due to the healing of the surgical incision scar, and then scar contracture, resulting in anal stenosis, which will lead to such people to appear in the stool thinning, defecation difficult symptoms. At this time, the general choice of anal dilatation treatment, after a period of time, for the anal stenosis of the people have very good therapeutic effect. Expansion of anal treatment should be carried out gradually, at first from a finger expansion, slowly expand for two fingers, and then transition to three fingers, expand to 3cm or so for the best, that is, the two fingers deep into the anus without tightness, expansion of anal treatment adhere to about 1 month will have obvious results. So for the above symptoms of the crowd, it is recommended that timely to the hospital anorectal consultation, in accordance with the doctor’s instructions to give early targeted treatment to avoid aggravation of the condition.