Women often have pain in their breasts. The causes of pain are both pathological and physiological. The following four categories are common: 1. Developmental breast pain. The development of breast tissue increases, the fat increases, the covered skin is forced to stretch, the breast tissue appears hard and causes pain. This is a normal phenomenon of breast development. 2, premenstrual breast pain. One to two weeks before menstruation, the estrogen level in the body increases, breast enlargement, tissue edema, breast pain. After menstruation, estrogen levels drop, breast pain disappears, so there is no need for medical treatment. If the pain is severe, you can take some diuretics to reduce the degree of breast edema. In addition, the dishes should be light. 3, postpartum breast swelling pain. This is the reason for the fullness of milk. If there is a fever, it means that you have mastitis. The way to prevent it is to keep the milk ducts open and empty the milk after breastfeeding. Treatment with hot compresses, anti-inflammatory drugs and milk returning drugs. 4. Pathological pain. Breast hyperplasia caused by various reasons in women of childbearing age is the main cause of breast pain, and breast pain accounts for 13% of the early symptoms of breast cancer patients. For older women, if there is persistent hidden pain in the breast, and the pain is fixed in the area, and there is a feeling of carrying a heavy burden in the shoulder, they should go to hospital for examination in time to facilitate early diagnosis and early treatment.