The common causes of nocturnal anal discomfort and subsequent relief are neurogenic spasmodic neuralgia, anal fissure, etc. The treatment measures for different causes are also different, and you should consult a doctor in time. Spasmodic neuralgia of neurogenic origin may cause anal discomfort at night because of recent stress in life and work, excessive mental tension, insufficient rest, or prolonged sedentary behavior. Neurogenic spasmodic neuralgia usually does not require treatment, relaxation, rest, the symptoms may be improved. The nighttime anal discomfort caused by anal fissure may be due to the ulcerated surface of anal fissure, self-healing regulation, a kind of nerve reaction after the relaxation of anal muscles at night, etc. You need to go to the hospital for diagnosis and treatment, and at present, the common clinical treatments are mainly to keep the bowel movement, 1:5000 potassium permanganate solution, sitz bath disinfection, or surgical treatment. Anal discomfort at night may also be caused by other pathological factors of the rectum, should go to the hospital in time to improve the relevant examination, clear causes, standardized treatment under the guidance of the doctor, to prevent the situation from deteriorating.