When the kidney has kidney deficiency, the symptoms of lumbago can appear, often accompanied by weakness of the knees and legs, so we should go to the Chinese medicine department for pulse diagnosis and early treatment of the kidney. When there is a tumor or inflammation in the kidney, the symptoms of lumbago can also appear in the early stage, then ultrasound, CT, urography and urinalysis of the kidney should be performed for early diagnosis and treatment. In addition to kidney diseases, other diseases can also cause uric acid, such as lumbar sprain or lumbar dorsal myofasciitis, which are often caused by cold or strain in the lumbar area, and can cause symptoms of lumbar acidity, which is usually more obvious in the morning and can improve after a while of activity.