The effects of Chengshan acupoint are to relax the tendons and activate the collaterals (stretch the tendons and bones, dredge the meridians), clear heat and pass the intestines. It has the function of treating lumbar and leg constriction (spasm and convulsion of the body due to the feeling of wind and cold), pain, hemorrhoids, constipation, abdominal pain and hernia. Chengshan point, from “Ling Shu – Wei Qi”, belongs to the foot solar bladder meridian. Located in the posterior region of the calf, gastrocnemius muscle two muscle belly and tendon angle. It can be needled, but should not be too strong stimulation, so as not to cause gastrocnemius muscle spasm, can also be moxibustion cone moxibustion 3-5, or moxa moxibustion 5-10 minutes. With Huanjiao point, Fengshi point, Yinshi point, Huizhong point, Kunlun point, Shenwei point for lumbago and back pain; with Huizhong point, Yangling point, Kunlun point for leg pain and transmigrating tendons; with Chengshi point, Xiaolian point, Kunlun point for heel pain. If you need to acupuncture Chengshan point, it is recommended to go to a regular hospital to find an acupuncturist to operate.