Breast tenderness in early pregnancy is a normal physiological phenomenon. Appropriate warm compresses and gentle massage will help to relieve breast tenderness. Avoid overly tight bras, you can wear underwear that is one size larger than your usual bra, which will also help improve the situation. Eat more fresh vegetables, avoid excessive intake of health products, soy products, soy milk, soy milk, because soy products contain more phytoestrogens, which can aggravate breast swelling and pain. Vitamin E can be supplemented, which will also improve breast swelling and pain. After pregnancy, due to the influence of increased estrogen and progesterone, the breasts can gradually swell, nipple enlargement, nipple areola coloring deepening, there will be brown montana nodules around, which is a normal breast change. Later, as the estrogen level stabilizes, the breast swelling and pain will slowly improve.