Breast pain is a relatively common symptom, and most adult women have probably felt varying degrees of breast pain. Mild breast pain is usually not a cause for concern, while some severe breast pain can interfere with normal work and life. What are the causes of breast pain? How should it be treated? Breast pain can be caused by breast inflammation, breast enlargement, and breast cancer. Chinese medicine believes that it is caused by localized qi stagnation and blood stasis in the breasts and the blockage of meridians. Acute mastitis often occurs during postpartum breastfeeding and the pain is accompanied by hard nodes and skin redness in the breast. Recurrent breast pain that is clearly related to the menstrual cycle or emotional changes, such as feeling pain before menstruation, pain that eases or disappears after menstruation, or pain that is pronounced when in a bad mood, mostly belongs to mastocytosis. If the pain lasts for a short period of time and the lump cannot be touched in the breast or if there is a lump before menstruation and the lump disappears after menstruation, it is often a physiological hyperplasia. You can try to adjust your emotions and diet first Xi patients with nodules, which may be commonly known as breast hyperplasia, need to go to the hospital for examination and, after a clear diagnosis, take herbal treatment. Although most breast cancer patients do not experience breast pain, there are about 10% of breast cancer patients whose initial symptom is vague breast pain, tingling or discomfort. Especially, breast pain in postmenopausal women must be taken seriously and carefully examined to find the cause and rule out breast malignancy.