Anal paroxysm is considered to be caused by the following reasons: 1, perianal abscess, is due to infection caused by inflammatory diseases, there will be a localized lump and can be pushed, touch a sense of thickness, fluctuating feeling, will be accompanied by pain as well as fever, need to be incised and drained. 2, fissure caused by the stool is too dry, resulting in stool, there is a tearing of the skin around the anus, paroxysm, stinging pain during the stool can be relieved, after the stool and back to the persistent pain treatment using the Ma Yinglong hemorrhoidal cream or erythromycin ointment. The pain can be relieved when the stool, then can be relieved, after the stool and back to the persistent pain, need to use Ma Yinglong hemorrhoid cream or erythromycin ointment to smear treatment. 3, may be anal fistula, hemorrhoids and other conditions caused by the pain, it is best to go to the hospital for a careful examination, and then according to the cause of the corresponding treatment.