A twist of the body chest pain, may be related to mastitis, breast hyperplasia, breast tumor, pleurisy, angina and other reasons. 1. Mastitis: commonly found in breastfeeding women, breast milk stagnation, localized inflammation of the breast, breast redness, swelling, pain, strenuous exercise can also lead to pain, the pain is aggravated when lying on the side or side. 2. Mammary gland hyperplasia: Mammary gland hyperplasia is mainly caused by hormone level disorder. Lumps appear in the breast, the main typical manifestation is pain, for breast swelling and pain like pins and needles, activities will also make the pain worse. 3. Breast tumor: Early breast tumor has no obvious pain, but with the metastasis of cancer cells in the late stage, there may be pain and swelling, breast lump, etc. Dull pain or tugging sensation will appear, and the pain will be obvious when turning around or lying on the side. 4. Pleurisy: Inflammatory reaction of pleura caused by bacterial and viral stimulation, which is mainly manifested as pain in the chest, and usually there will be stabbing or tearing pain after activity. 5. Angina pectoris: Angina pectoris attack often occurs when there is pain in the left chest, which is due to the chest pain caused by radioactivity, accompanied by a tugging sensation, and should be treated promptly. If the pain persists, you should go to the hospital in time to find out the cause and treat the symptoms.