1. Breast pain is very common among lesbians, and in breast specialist outpatient clinics, breast pain accounts for 50 per cent of patients seeking medical treatment. And a large number of patients with breast pain do not seek medical treatment. 2. Breast pain disorder is divided into three categories: cyclic breast pain, non-cyclic breast pain, and extra-mammary pain. 3, cyclic breast pain disorder: breast pain and menstrual cycle related, before the start of the menstrual cycle pain gradually increase, the start of menstruation subside. Non-cyclic Breast Pain Disorder: Breast pain is not regular in terms of time, pain mode and pain location. Extramammary pain: the pain is not from the breast, due to other disease causes, especially the pain of chest wall muscles and bones, commonly seen in costochondritis, etc. Due to the overlap with the location of the breast, the patient can’t distinguish it. 4, the etiology of breast pain has not been determined, researchers believe that the possible causes: (1) abnormal levels of estrogen and progesterone in the female body, as well as imbalance. (2) Reduction of essential fatty acids in the female body. (3) Psycho-emotional causes, breast pain and women’s emotions have a direct relationship, tension, anxiety, anger, irritability, depression, fatigue and other emotions can induce and aggravate breast pain. 5, self-regulation of breast pain: (1) relax, do not worry too much about the relationship between breast hyperplasia, breast pain and breast cancer. Seek medical treatment when necessary, and exclude the possibility of undesirable diseases through doctor’s inquiry about medical history, physical examination and imaging examination to remove concerns. (2) Maintain a good mood, as there is a direct relationship between breast pain and bad mood. (3) Don’t eat a diet that is too oily; a low-fat diet may be helpful in relieving breast pain. (4) Reduce the consumption of tea, coffee, cocoa milk and other beverages, try to quit smoking, some studies show that caffeine, theophylline, theobromine can increase the degree and chance of breast pain. (5) Bras should be the right size and elasticity, too tight can squeeze the mammary glands leading to increased pain. For women with larger breasts and more pronounced sagging, supportive bras are recommended. 85% of patients with mild breast pain can have their pain relieved without treatment through self-regulation. 6, the treatment of breast pain: for patients with moderate or severe breast pain, in addition to self-regulation, appropriate medication is also needed. Our domestic preferred is to activate blood circulation and remove blood stasis, soften and disperse the knot of Chinese patent medicine, this class of drugs are many, the doctor will be based on their own experience combined with the patient’s feedback to give you advice. Generally a kind of medicine will be effective if you insist on taking it for one or two cycles, about one month or so. If the effect is not obvious, you have to consider changing the medicine, because a certain kind of medicine has different effects on different people. If the pain is obviously relieved, you can stop the medicine, because the role of pCms is to relieve symptoms, without symptoms, taking medicine is meaningless and a waste of money. If the effect of pCms is not obvious, you can also consider taking western medicines for a period of time. In Europe and the United States, the main choices are weak androgens, such as danazol, or estrogen modulators, such as tamoxifen, toremifene, and so on.