The causes of painful symptoms in the right sternum are as follows: 1. It may be due to intercostal neuralgia resulting in local painful symptoms. 2. It may be due to occupying lesions in the lung tissue, especially tumors and other diseases, which are prone to painful symptoms in the right side of the chest and may even lead to rib invasion, and perfect CT examination can confirm the diagnosis and discover the early symptoms. Patients should be actively treated by surgery, and the development of tumor can also be controlled by adjuvant radiotherapy and chemotherapy. 3, may be due to lung tissue infection, with obvious symptoms of cough, fever, coughing sputum, especially secondary to upper respiratory tract infection, if the right pleural wall layer is involved, the patient will show obvious pain accompanied by deep breathing limitation, through effective anti-infection treatment, the patient’s right sternal pain symptoms can be gradually improved. Through effective anti-infection treatment, the symptoms of right sternal pain can be gradually improved. Therefore, if the symptoms of right sternal pain appear, if there is no relief within a short period of time, it is necessary to go to a regular hospital in time to improve the necessary auxiliary examinations to clarify the severity of the disease, so as to choose a reasonable treatment method and get timely and effective treatment for the symptoms of right sternal pain.