Pain on both sides of the back may have the following causes: first, lumbar muscle strain, common in patients with long-term bending work, sedentary, bending and holding objects, there will be pain on both sides of the muscles of the low back, to carry out relevant physical examination, lumbar examination, to exclude other diseases to make a diagnosis. Second, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis will appear pain on both sides of the low back. Third, diseases of the lumbar spine, when the lumbar disc herniation, lumbar spine slippage, will also appear pain on both sides of the lumbar back, to carry out relevant lumbar spine X-ray, CT, nuclear magnetic examination to make a diagnosis. Fourth, lumbar spine tumor or tuberculosis leads to pain on both sides of the waist, and relevant blood tests, lumbar spine X-ray and nuclear magnetic examination should be performed to make the diagnosis. Fifth, kidney deficiency, kidney deficiency will also appear pain on both sides of the waist, accompanied by knee weakness, soreness and tenderness, to go to the Department of Traditional Chinese Medicine for diagnosis.