Anal pain during menstruation is a normal reaction, because of menstrual vaginal bleeding, uterine contraction will appear pelvic congestion, and then anal pain, often accompanied by abdominal pain, this is normal, do not need to be too nervous, can be self-administered oral pain relievers to relieve, drink plenty of lukewarm water or hot water bag hot compresses abdomen, pay attention to abdominal warmth and do not want to be cold, do not exercise strenuously during the menstrual period, avoid eating spicy, stimulating, cold, Do not eat spicy, stimulating, cold, raw and cold products. In addition, if this symptom is still not relieved after menstruation, you need to be alert to some other diseases that may cause anal pain, such as pelvic inflammatory disease, endometriosis and other gynecological diseases, hemorrhoids, sinusitis and other anus and intestinal diseases. In short, once the anal pain can not be ignored, should go to the hospital as soon as possible to the relevant examination, clear cause and then carry out symptomatic treatment.