Disease analysis: Sanyinjiao point is the intersection of Sanyinjiao meridian of foot, which is on the inner side of calf, 3 inches above the tip of medial ankle of foot and behind the medial edge of tibia. You can put your index finger, middle finger, ring finger and little finger together, taking the horizontal stripes of the middle section of the middle finger as the standard, and the horizontal amount of the four fingers is three inches. Chengshan point is located in the middle of the back of the calf, between Weizhong point and Kunlun point. When the calf is straightened or the heel is lifted, a sharp corner depression appears under the gastrocnemius muscle. One on each leg.

Suggestions: Sanyinjiao is mainly used for gynecological diseases, gastrointestinal diseases, insomnia, neurasthenia, general weakness and climacteric syndrome. Chengshan point is often used to treat sciatica, gastrocnemius spasm, hemorrhoids, proctoptosis and other diseases. When pressing Chengshan point, you should not use too much force to avoid gastrocnemius spasm. You can search for pictures on Baidu.