There are many reasons for pain in the ribs under the breast, and the analysis is as follows: 1, trauma, such as painful sensation here when the ribs are hit, or pain manifested by rib fracture. If the rib fracture, you need to go to the hospital in time for fracture repositioning and fixation to avoid leaving sequelae. 2, rib chondritis. The pain can be aggravated by strenuous exercise and overexertion, which can lead to increased pain, so you need to take painkillers, apply ointments or local injections to close the treatment, while paying attention to rest, avoiding weight bearing and strain. 3, mastopexy. Patients with mammary gland hyperplasia also show pain in the chest wall, and there is a cycle, the pain will appear before and during menstruation, after the end of menstruation will disappear, the pain is obvious can be treated with oral medication. If the pain is obvious, you can take oral medication. If the medication is not effective, it is recommended to regulate endocrine secretion with Chinese medicine and maintain a good lifestyle.