Most diarrhea during menstruation is physiological in nature. During menstruation, hormone levels change significantly and endometrial prostaglandins increase, causing uterine contraction, vascular spasm, local ischemia and hypoxia and abdominal pain. The increased prostaglandins enter the blood circulation and spread to the surrounding tissues such as digestive tract and cardiovascular. A part of the more sensitive women will experience diarrhea, abdominal pain, nausea, vomiting, cold hands and feet, you can drink more warm water to promote metabolism, do not eat cold, spicy, greasy food to avoid aggravating the condition. Hot compresses on the abdomen and hot water soaking feet can relieve the symptoms. Occasionally, diarrhea during menstruation is related to improper diet or uncleanliness, and can be observed for several menstrual cycles. If the situation is serious and there is no significant improvement after life conditioning, oral medication can be taken under the guidance of a doctor.