Chengshan acupoint method generally can be prone position, the simpler way to take is to pad up the toes and then take the rear of the calf muscle floating end, specific recommendations under the guidance of a doctor. Chengshan, meridian point name, is located in the posterior calf area, gastrocnemius muscle two muscle belly and tendon intersection angle, in the gastrocnemius muscle two muscle belly junction at the lower end of the main treatment of pain, hemorrhoids, constipation, abdominal pain and other diseases. The simpler way to take Chengshan point is to lie down, find the popliteal transverse stripe, that is, the midpoint of the line between the back of the knee and the tip of the ankle, is Chengshan point. Alternatively, the patient can slightly apply pressure to raise the toes of the foot, and the tail end of the muscle at the back of the calf will be the Chengshan point. The more specific method of taking Chengshan acupoints is to take the supine position or side lying position, first find the commission in the middle point and Kunlun point, commission in the midpoint of the popliteal transverse stripe, Kunlun point in the tip of the outer ankle and the Achilles tendon of the depression, and the midpoint of the line between the two, it is the Chengshan acupoint.