Kidney Guan point is one of Dong’s Acupuncture and Moxibustion Qi points and is located 1.5 inches below Yinlingquan on the inner side of the calf, on the inner side of the tibia. The Kidney Guan point is located 1.5 inches below the Yinlingquan on the inner side of the calf and on the inner side of the tibia, according to the positioning recorded in the original text. When choosing the actual point, pull up from the medial side of the calf, the medial edge of the ankle joint, and there is an indentation where the shin bone bends upward, which is the Yinlingquan, and one and a half fingers below it (the thumb), and one inch in thickness of the longitudinal stripe of the interphalangeal joint of the thumb, which is the Kidney Guan acupoint. The Ren Guan acupoint can be used clinically to treat shoulder disorders such as frozen shoulder, rotator cuff injury, etc. It needs to be operated by a professional doctor, in conjunction with other related acupoints to treat the disease. Acupuncture requires a high level of skill and should not be performed by the patient to avoid damage to the body.