The more common causes of pain like braking breathing under the chest are not too big, and heart diseases can be ruled out, while if it is related to breathing, the more common causes are pleurisy and intercostal neuritis. It is recommended to improve the chest X-ray examination to clarify, if necessary, need to do chest CT examination to clarify the situation of the pleura. Proper attention should be paid to not taking too many antibiotics during treatment, as sterile inflammation sometimes does not require additional antibiotics to avoid the abuse of antibiotics. If the pain is more serious, you can apply appropriate pain medication, such as Sansumol tablets or ibuprofen tablets can play a good role.