The exact location of Jinling point is 3 inches beside both sides of the fifth thoracic vertebra. Jinling acupoint is an acupoint in Dong’s theory of qi points. It is located on the back, 3 inches beside the fifth thoracic vertebrae, and together with Jindou acupoint and Jinji acupoint, it is known as the “Three Golden Points”, with Jindou located 3 inches beside the third thoracic vertebrae, and Jinji located 3 inches beside the fourth thoracic vertebrae. Sanjin points are often used to treat knee pain and foot pain. If the pain is in the left knee or foot, the point is taken 3 inches to the left of the fifth thoracic vertebra; if the pain is in the right knee or foot, the point is taken 3 inches to the right of the fifth thoracic vertebra. For pain in both feet, the points are taken from both sides. If you need to use acupuncture to treat the disease, you need to go to a regular medical institution, operated by a professional physician, do not operate on your own, so as not to cause serious consequences.