Breast pain is one of the common diseases that bother women, some of them are caused by the lesions of the breast itself, and some of them are caused by other lesions, and the common causes can be summarized as follows: 1. Mammary hyperplasia, which is obvious before menstruation, and is usually alleviated after menstruation, and is mostly caused by emotional disorders and liver qi stagnation, and the nodules or lumps can be detected in breasts, and pain can be radiated to the back of the shoulders, which may affect the life and work of the serious ones. Treatment should be directed to dredge the liver and regulate qi, eliminate swelling and dissipate lumps, and traditional Chinese medicine has good effect. Western medical treatment is mainly endocrine therapy, and triamcinolone acetonide is commonly used in the clinic. Prevention: regulate emotions, keep a good mood and happy spirit, maintain a happy, harmonious and moderate sex life, eat a light diet, and stay away from alcohol and tobacco. 2, inflammation of the mammary glands, common plasma inflammation, is due to the accumulation of fatty secretions in the breast ducts and penetrate the interstitial mammary gland caused by the lesion area of the glands swollen and hard, pain, severe local redness and swelling of the pus, the treatment of the appropriate clearing up the heat and removing toxins, phlegm dispersal of the lumps, with Western anti-inflammatory drugs, if necessary, surgical excision of the diseased ducts and the affected glandular tissues. 3, pelvic inflammatory disease, clinically found that women with pelvic inflammatory disease have breast pain at the same time, the reason is that the internal reproductive organs and the mammary glands belong to the liver meridian, pelvic inflammation leads to obstruction of the liver meridian, the meridian can not be blocked, not through the pain and the occurrence of lactic pain, the breast pain should be the first treatment of the pelvic inflammatory disease, traditional Chinese medicine to the treatment to dredge the liver, activate blood circulation, pass through the menstrual flow, purging, detoxification, and dissolution of dampness for the main method. Western medicine to choose sensitive antibiotics. 4, gastric disease, Chinese medicine believes that the breast is the liver, nipple belongs to the stomach, gastritis caused by breast pain is mainly in the nipple, should be the first diagnosis and treatment of gastric disease. 5, cervical spondylosis, the long thoracic nerve originates from the C5, 6 cervical nerve, innervates the serratus anterior muscle behind the breast, cervical spondylosis compresses the nerve and leads to pain in the breast area. Cervical spondylosis should be treated first. 6. Posterior thoracic spine joint disorder, stimulate the intercostal nerve, especially the fourth intercostal nerve, leading to breast pain, treatment should be chiropractic manipulation to correct the posterior thoracic spine joint disorder. 7, nodular lipomatitis, occurring in the breast area of subcutaneous nodules, is a kind of fat lobular inflammation, hormone therapy is effective. 8, exertional axillary pain, upper limb overwork, thoracic arm nerve stimulation and pain, attention to rest, local physical therapy can be relieved.