Kidney Yu point is an area located in the spinal region, below the spinous process of the 2nd lumbar vertebra, 1.5 inches off the posterior midline. Kidney point is located on the foot solar bladder meridian and is a dorsal point for the kidneys. It is located in the spinal region, below the spinous process of the 2nd lumbar vertebra and 1.5 inches away from the posterior midline. Kidney Yu point can be used to treat kidney deficiency disorders such as headache, dizziness, dizziness, tinnitus, deafness, Wujing diarrhea (diarrhea before dawn), asthma, impotence, spermatorrhea, infertility, spermatorrhea, lower back pain, and fatigue; anterior yin disorders such as enuresis, frequency of urination, and urinary retention (dribbling or inability to urinate); gynecological disorders such as menstrual irregularities, infertility, dyspareunia, and dysmenorrhea; and quenching of thirst. The Ren Yu point can be stabbed directly, the specific use of Ren Yu point should be consulted with the clinician, and the acupuncture operation needs to be carried out by a specialized doctor.