Pain in the middle of the back on the right side may have the following conditions, which need to be identified by combining the patient’s symptoms and making relevant auxiliary examinations: a. It may be kidney disease, the middle of the back on the right side, which should be the location of the right kidney, the patient may be accompanied by symptoms such as frequent urination, urgent urination, painful urination and swelling. You can tap on the right kidney area, if there is right kidney tapping pain, consider the possibility of right kidney disease, it is recommended to do kidney ultrasound and routine urine examination to clarify the diagnosis. Second, lumbar muscle strain, the right side of the back may appear lumbar muscle strain, if there are no other symptoms involved, and ask the medical history, the patient after a sprain or lifting heavy objects appear right back pain, to pay attention to lumbar muscle strain, can be relieved after massage. Third, it should be noted that diseases of the hepatobiliary system, such as cholecystitis and gallbladder stones, can also be discharged to the right side of the back, and it is recommended to do ultrasound examination of the liver, gallbladder and spleen to clarify the diagnosis.