One month after hemorrhoid surgery, the anal opening appears to be very tight, in addition to the patient’s mental tension, mostly considered due to postoperative anal stenosis. It is generally recommended that the patient remain relaxed, and if necessary, be treated with anal dilation or secondary surgical treatment. 1. Generally after hemorrhoid surgery, the trauma will appear scar, scar tissue tightness is poor, easy to lead to anal stenosis, generally 20 days to a month or so can be recovered. Patients who still feel tight in the anus after one month are often considered to have postoperative anal stenosis. It is generally recommended that the patient go to the hospital for review, according to the degree of stenosis, follow the doctor’s instructions to receive anal dilation treatment, and if necessary, a second operation. 2. The patient is too nervous and afraid of defecation, so the anal opening cannot be relaxed. It is generally recommended that patients adjust their mood, improve tension, can daily warm water sitz bath, relieve perianal muscle tension, promote local blood circulation, improve postoperative scar tissue, if necessary, consult a doctor, give reasonable treatment. It is recommended that patients pay attention to the daily diet after surgery to prevent constipation symptoms. If there is any discomfort, go to the hospital in time to avoid delaying the condition.