Aunt chest pain when pressed is generally considered to be related to changes in hormone levels in the body, if the pain is simple, not touching the obvious lump, it is considered to be related to hormone levels, after menstruation, the symptoms are relieved, it is considered to be physiological; if the local can be touched to the lump, or usually there is pain, it is considered to be more associated with breast hyperplasia, breast tumors and other related to the need for timely medical treatment in accordance with the doctor’s instructions for treatment. 1. Physiological phenomenon: estrogen can promote the proliferation of breast ductal epithelium, and progesterone can promote the development of breast lobules and follicles. Before menstruation, the level of estrogen and progesterone in women’s bodies is high, so some women will experience breast swelling and pain before menstruation, and the symptoms will be relieved naturally after menstruation, and the lumps will not be touched, which is considered a physiological phenomenon. 2. Breast diseases: (1) Breast hyperplasia: mostly related to estrogen and progesterone disorders, patients mostly manifested as breast swelling and pain with menstrual cycle, breast lumps and other discomforts, usually to be cleaned up after menstruation, symptoms can gradually improve, may be accompanied by nipple discharge, the course of the disease is slow, after consulting the doctor to clarify the condition can be temporarily observed or take medication or surgical treatment. (2) Breast tumor: including benign tumors such as fibroma and malignant tumors such as breast sarcoma and breast cancer, the occurrence of this disease is related to the influence of estrogen, the environment and other factors, for the touching of local lumps, which can not disappear on their own, varying in sizes, and the border with normal tissues can be clear, or can be adhered with the surrounding skin, which can be accompanied with nipple discharge, then it is necessary to be alert to the occurrence of breast tumors. Timely medical treatment is needed. It is recommended that women with chest pain go to the breast department of regular hospitals in time, and after clarifying the condition, they should be actively treated under the guidance of doctors.