The exact location of the foot Sanli is located on the lateral side of the lower leg, 3 inches below the calf’s nose (located in the anterior region of the knee, in the lateral depression of the patellar ligament), 1 transverse finger outside the anterior crest of the tibia, and on the line between the calf’s nose and Xiexi (located in the midpoint of the anterior transverse stripe of the ankle on the dorsal side of the foot, about level with the tip of the ankle when the toe extensor tendon and the lesser extensor tendon are concave between the two tendons). The main treatment for stomach pain, vomiting, choking, abdominal distension, diarrhea, dysentery, constipation, lower limb paralysis (lower limb weakness, numbness and pain), epilepsy, breast carbuncle, carbuncle (carbuncle in the intestines and bowels, manifested by fever, pain in the right abdomen, and palpable lump), and all the symptoms of fatigue. It is a strong health point. In modern times, it is used to treat acute and chronic gastroenteritis, gastric or duodenal ulcers, dyspepsia, eye diseases, foot odor, hemiplegia (one side of the limbs can not move freely), jaundice, epilepsy and so on. Note that needling of the foot-sanli for treatment of diseases needs to be operated by a professional doctor.