There are several reasons for chest pain on both sides of the chest: First, pleurisy can cause chest pain on both sides. Secondly, traumatic injury to the rib cartilage and soft tissue of the chest wall can also cause chest pain on both sides. Third, the ribs themselves caused by lesions on both sides of the chest pain. Fourth, pleurisy and thoracic fasciitis can also cause bilateral chest pain. It is suggested that if there are two sides of chest pain with chest tightness, firstly take a chest film, if the chest pain is accompanied by fever, it is also necessary to test the blood routine at the same time, to determine whether there is an inflammation of the pleura in the thoracic cavity caused by the infection of the two sides of the chest pain. Whether the chest pain is accompanied by coughing and coughing up blood, or coughing up blood, sputum with blood and other phenomena, especially for people over 45 years old who have a history of smoking, should be alert to the possibility of pulmonary occupational lesions and tuberculosis, so we need to do chest CT, sputum cytology, sputum tuberculosis mycobacteria examination and tuberculin test to further identify.