The patient presents with pain in the middle part of the clavicle below the neck, not excluding the degenerative bone degeneration, which can be further combined with local DR film examination. This condition occurs more often in the elderly and may be aggravated by activity. In addition, there are some patients who are suffering from diseases of the thoracic lung tissue, especially in elderly patients who have been smoking for years, and it is likely that the tumor occurs in the lung tissue, especially in the apical lung lesions, and the patient is less likely to show pain, but also has recurrent symptoms of cough and sputum, and there may even be a delay in diagnosis because of the cough that occurs after smoking. It should be combined with chest CT, or fiberoptic bronchoscopy and other related examinations, and surgical treatment may be an option if the condition permits. If there is local external invasion, local radiotherapy or intravenous chemotherapy can be chosen after the pathology is clarified.