If you usually have heavy menstrual flow, do not continue to take Jiawei Free Pill during menstruation, otherwise it may cause increased menstrual flow or prolonged menstrual period. If the usual menstrual flow is relatively low, you can take the Free and Easy Pills to regulate during menstruation, due to the effect of activating blood circulation and removing blood stasis will make menstrual blood increase. During menstruation, you should pay attention to rest, maintain perineal hygiene, change sanitary napkins, avoid cold and labor. During menstruation, you should not eat spicy and stimulating foods, eat chilled fruits, drink chilled drinks, etc., otherwise it may cause abdominal distension, lumbar pain, back pain or poor discharge of menstrual blood.