Pain in the left scapula can also be caused by lung disease, commonly a combination of lung tissue infection with chest infection, especially involving the wall pleura. The patient may present with localized stabbing, or cutting pain, accompanied by fever, cough and sputum. After timely treatment with intravenous anti-infective therapy, the patient’s symptoms can gradually improve. In addition, malignant tumors occurring in lung tissue are prone to hematogenous metastasis, and the common site of metastasis is the scapula. If peripheral occupying lesions, pleural invasion or pleural metastasis occurs, it is also easy to involve the scapula and manifest as pain, and further enhanced CT or bone scan can confirm the diagnosis. For advanced patients, intravenous chemotherapy can be used to control the development of the tumor, and at the same time, drugs to fight bone metastasis can also be given in combination, and the changes of serum calcium ions can be detected.