The exact location of Kidney Yu is as follows:

Kidney Yu is one of the commonly used acupoints of the foot solar bladder meridian, which is located under the spinous process of the 2nd lumbar vertebrae, 1.5 inches away from the side, between the lumbar dorsal fascia, the longest muscle and iliac ribs; there are the 2nd and 3rd lumbar arteries and veins branching out; there are the cortical branching out of the 2nd and 3rd posterior lumbar nerves, and the deeper layers of the lumbar plexus. It is mainly used for treating lumbar pain, genitourinary disorders, tinnitus and deafness. The operation method is straight stabbing 0.5~1 inch.

Elderly people because of age, the body has become much worse, so it is inevitable that there will be lower back and leg pain, for the usual stairs or to use the legs and feet side of the activities appear to be unable to do, back pain is also often happen. In fact, this is all because of the age, the kidney qi insufficiency caused by the pain of the muscles and bones. The acupuncture point kidney Yu can stimulate the kidneys, thus improving the symptoms of elderly back pain, enhance the immune system of the elderly.