It is still very difficult after more than 70 days of anal fissure surgery, you need to consider that there may be poor healing of the incision, combined with mixed hemorrhoids, accompanied by perianal eczema and other conditions. 1. Anal fissure surgery is mainly to remove the ulcerated surface of anal fissure completely, the wound is open, the incision healing time is long, the incision is prone to the formation of scar tissue, defecation, pulling, which will lead to the patient difficult. 2. Anal fissure patients often combined with mixed hemorrhoids, after anal fissure surgery due to anal sphincter relaxation, internal hemorrhoids symptoms, repeated protrusion will also lead to the patient’s perianal difficult, with a feeling of falling, foreign body sensation and other symptoms. 3. After anal fissure surgery, the surgical wound healing time is long, and there is much exudate, so it is necessary to keep the perianal area clean for a long time. If the exudate is not cleaned in time after the surgery, which leads to the perianal eczema, the perianal area is difficult to feel, such as itching, pain, etc. Therefore, it is necessary to keep the perianal area clean for a long time after the surgery. Therefore, after anal fissure surgery, you need to change the medicine in time, keep the perianal area clean, actively cooperate with the treatment, regular follow-up, any discomfort needs to seek medical treatment in time.