Inside the right side of the waist is the location of the right kidney. If the patient has discomfort in the right side of the waist, accompanied by symptoms such as lumbar pain, frequent urination, urgent urination and painful urination, pyelonephritis needs to be considered. Some patients with very severe pain, and accompanied by abdominal pain that dissipates to the groin, need to consider urinary stones, and it is recommended to do urological ultrasound and routine urine examination. The right side of the waist is also the reflex area of the liver and gallbladder organs. Some patients with cholecystitis and gallbladder stones may also show pain on the right side of the waist, and it is recommended to have an ultrasound examination of the liver, gallbladder and spleen to make a clear diagnosis. The right side of the waist is also the right side of the lumbar muscle, and the right side of the lumbar muscle will also be painful when the lumbar muscle is strained, but the pain is more superficial, usually with pressure pain, and there is also a history of trauma or lumbar muscle sprain, which can help diagnose.