It is best not to do leg clenching during menstruation, which can seriously cause poor flow of menstrual blood, and long-term poor flow of menstrual blood can lead to clots, dysmenorrhea and other problems in the uterus. During menstruation, you should relax and avoid anxiety and tension, pay attention to warmth, avoid strain and cold, eat more fresh fruits and vegetables, especially foods rich in vitamins, proteins and hemoglobin, forbid cold, greasy, spicy and stimulating foods, sleep on time and do not stay up late. During menstruation, you should pay attention to keep your pubic area hygienic and clean, change your underwear regularly and expose it to the sun. Sexual intercourse should be prohibited to avoid bacteria entering the pelvis due to the relaxed state of the cervical opening, causing pelvic infections leading to gynecological diseases.