Breast swelling and pain before menstruation is a relatively normal physiological phenomenon that usually disappears after menstruation. The reason for the formation of menstruation is essentially a drastic change in sex hormones in the body, resulting in the shedding of the endometrium, and the sex hormone changes will also have a stimulating effect on the breast tissue, resulting in its hyperplasia, so many women will feel breast swelling and pain during menstruation, which is a relatively normal phenomenon, and the breast swelling and pain can disappear after the menstruation. If the swelling and pain does not ease or recover after the menstruation, it may be a more serious breast enlargement, so you can consult a hospital breast specialist and take breast-clearing and dispersion Chinese medicines for relief. For women with premenstrual breast pain, you can use warm towels to warm your breasts to promote local blood circulation, or you can massage them gently. Try to maintain a relaxed and happy mood during the day, which can help to relieve breast pain. In severe cases, you can use herbal medicine to treat it.