After hemorrhoid surgery, the anus is usually dilated usually 1-2 times a day for about a week or so. After hemorrhoid surgery, there is scarring at the anus, so this may lead to narrowing of the anus and possibly constipation, so regular anal dilation therapy is needed. Expand the anus 1-2 times a day for about 10 minutes each time, due to the muscles of the anus have a certain degree of tension, the nerve distribution is more, so there is a certain degree of pain, it is recommended that the action is gentle, generally able to pass through two fingers when the anal scar repair is better, do not need to expand the anus again. After anal surgery, it is recommended that patients need to eat liquid food, eat more fresh fruits and vegetables, and do not eat spicy stimulating food, every night using 1:5000 potassium permanganate solution or warm water sitz bath, to promote the recovery of local wounds. The frequency of anal dilatation after hemorrhoid surgery and post-surgical review, it is recommended to consult the anorectal department of the regular hospital; discomfort, timely consultation, so as not to delay the condition.