The pain in the lower back and upper back should be treated according to different causes, and the common causes include the following: first, gallbladder and liver diseases, when there is cholecystitis, gallstones or liver tumors or abscesses, there can be pain in the lower back and upper back, then the CT, MRI and ultrasound of liver and gallbladder should be checked to diagnose, and after diagnosis, oral medication should be taken early or If necessary, surgery should be performed. Second, kidney diseases, when the kidneys have tumors, inflammation, stones, there can also be pain in the lower back, the upper back inside, according to the different conditions of early oral medication or surgery, if necessary, urinary system imaging and urine tests, blood tests to diagnose. Thirdly, tumors in the lumbar muscles, when there are benign or malignant tumors growing in the lumbar muscles, there can also be pain under the back and above the waist, it depends on the size of the tumor, if there are obvious symptoms, surgery should be considered.