Belonging to the bladder meridian, it can treat calf cramps, acute lumbar sprain, low back pain, knee discomfort, foot discomfort, constipation, low back pain, proctoptosis, hemorrhoids, sciatica, dysmenorrhea, etc. It is an effective acupoint for treating calf cramps.
Acupuncture should be carried out in regular hospitals. When acupuncture at Chengshan point, it should be 1-2 inches straight, and it should not be overstimulated to avoid gastrocnemius spasm. At the lower end of the gastrocnemius abdominal junction; There are small saphenous vein and posterior tibial artery and vein; There are medial sural cutaneous nerve and deep tibial nerve.