The common causes of anal contraction pain spreading to the surrounding area are anal fissure, spasmodic neuralgia of neurogenic origin, the causes of different treatments are not the same, you should go to the hospital in time. Anal contraction pain spreading to the surrounding area may be due to neurogenic spasmodic neuralgia, usually do not need treatment, pay attention to rest can be relieved on their own; there may be anal fissure caused by anal contraction pain spreading to the surrounding area, anal fissure need to be actively go to the hospital for treatment. At present, the common way of treating anal fissure is to take laxatives to keep the bowel movement, use 1:5000 potassium permanganate solution to sit in the bath before and after defecation, to maintain local cleanliness, and the patients who have not been cured for a long time can take surgical treatment. The anal contraction pain spreads to the surrounding symptoms, after excluding physiological factors, should consult a doctor in time to avoid delaying the condition.