Many women experience breast tenderness before menstruation due to estrogen and progesterone stimulation. Estrogen stimulates the development of breast ducts and progesterone stimulates the growth of breast follicles. The symptoms will be reduced when the menstruation is near, and will gradually disappear after the menstruation. The chest swelling before menstruation can be regulated by taking safflower prodigiosa tablets or by taking danjuana prodigiosa, and the usual hot towels can be used to massage again to relieve the chest swelling phenomenon. To reduce the phenomenon of chest distension in the usual mood should be kept relaxed, not nervous, anxious, otherwise the symptoms will be aggravated. Women who are prone to chest distension before menstruation can also drink some motherwort, rosehip tea or saffron. It should not be taken during menstruation, otherwise it will cause excessive menstrual blood. Premenstrual breast distension should choose the right underwear, not too tight, otherwise it will affect the blood circulation in the chest to make the chest swelling feel worse.