The patient is constipated and there is pain in the anus when he solves the stool. There are two possibilities for this situation: 1. It is just a transient occurrence, mostly because the dry stool scratches the perianal mucosa and the damage is relatively superficial. The reason for this is the damage to the perianal muscles. This situation is slow to heal and requires treatment in general surgery. In mild cases, you can use Ma Yinglong hemorrhoid cream nano-anal to regulate, and in severe cases, you need surgical treatment.