The causes of left and right back rib pain are as follows: 1, whether there is a history of trauma outside the row, if it is trauma, which can lead to local soft tissue contusion, rib fracture, lung contusion, etc., can appear left and right back rib pain discomfort, often with a clear history of trauma. 2, the rib itself, including rib osteitis, rib tuberculosis, and even rib tumor can also appear pain discomfort, need to perform chest X-ray or chest CT, magnetic resonance imaging, etc. 3, lung causes, some lung diseases, especially lesions closer to the back, can also appear in the back of the rib pain discomfort, often combined with cough, cough, chest tightness, shortness of breath and other symptoms.