Left and right scapular back pain may have the following causes: first, tumor of the scapula, when there is a tumor of the scapula, there can also be back pain of the scapula, then CT and MRI of the scapula for diagnosis and treatment; second, rib disease, when there is a tumor or metastasis of the rib, there can also be back pain of the scapula, then CT and MRI of the scapula for diagnosis; third, lung disease, when there is a tumor of the lung, there can also be back pain of the scapula, then CT and MRI of the lung for early diagnosis and treatment; fourth, lung disease, when there is a tumor of the lung, there can also be back pain of the scapula, then CT and MRI of the lung for early diagnosis and treatment. Third, lung diseases, when there is a tumor in the lung, there can also be pain in the back of the scapula, then the relevant lung examination should be carried out for early diagnosis and treatment, such as lung CT examination; fourth, heart and gallbladder diseases, when the heart has angina or heart attack, there can be radioactive pain in the left back, and cholecystitis or gallbladder stones can be radioactive pain in the right back. In this case, CT and ultrasound examinations and blood tests should be performed for diagnosis and treatment.