There are many reasons for back pain caused by coughing, which are commonly caused by back diseases, inflammation of lung and pleura, lung tumors and so on. 1. Diseases of the back: such as fracture of ribs, scapula, spine, tuberculosis, tumor and soft tissue injury of the back, etc., all of which can cause pulling pain in the back when coughing. 2. Inflammation of the lungs and pleura: such as pneumonia, tuberculosis, pleural tuberculosis, etc., when coughing, the lungs expand, which will pull the nerves in the back and cause back pain. 3. Lung tumors: such as lung cancer, if the lesion is located close to the mediastinum, it can invade the pleura of the mediastinum area and the pleura of the back, resulting in pain in the back area, which often worsens with the patient’s deep breathing or coughing. There are many reasons for back pain caused by coughing, patients should go to the hospital in time to clarify the cause of the disease and take treatment under the guidance of doctors.