Both sides of the waist pain may have the following causes: first, lumbar muscle strain, when the lumbar muscle strain can appear on both sides of the waist muscle chronic injury, which leads to lumbar pain, to early related examination and examination, to exclude other diseases for diagnosis. Second, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis can also appear on both sides of the waist, chronic pain in the muscles of the lumbar dorsal muscles, resulting in pain on both sides of the waist, to carry out the relevant examination, to carry out early diagnosis and early treatment. Third, kidney deficiency, kidney deficiency can appear on both sides of the waist pain, accompanied by knee weakness, weakness symptoms, to early diagnosis and early treatment of the kidney to Chinese medicine. Fourth, kidney disease, if there are bilateral kidney stones or bilateral kidney cysts, there can be back pain on both sides, pain in the kidney area, often with percussive pain, early ultrasound and CT examination of the kidneys should be performed to make a diagnosis.