Anal sitting pain is mainly caused by lesions around the anus, which may be due to anal fissure, hemorrhoids, perianal abscess and other reasons. 1. Anal fissure: due to dry stools and constipation caused by the anal canal part of the fissure, when sitting down, resulting in fissure pressure, pulling and so on, so as to appear sitting pain. 2. Hemorrhoids: Due to the varicose veins around the anus, thrombus or venous blood clusters are formed near the anus, causing pain and swelling, and this pain will increase with pressure. 3. Perianal abscess: Due to the stimulation of feces and various bacteria, the anal glands become infected, which spreads to the perianal area, and eventually leads to perianal abscess. The abscess or lump will cause severe pain when it is pressed, and there will be pain in the anus, and even uneasiness in sitting. If you have anal sitting pain, you should consult a doctor in time to further clarify the diagnosis, and follow the doctor’s instructions according to the different causes of the corresponding therapeutic measures, and actively give treatment.