Sanyinjiao point is located on the inside of the calf, 3 inches above the ankle tip on the inside of the foot (that is, the width of the other four fingers except the thumb), and the depression behind the tibia. According to the theory of traditional Chinese medicine, kidney storing essence is the innate basis; Spleen controlling blood is the foundation of acquired; Liver stores blood, and essence and blood are homologous. Sanyinjiao reaches three meridians and is called "the point of strengthening the body" by health experts. This point has the functions of nourishing yin and tonifying kidney, soothing the liver and regulating qi, invigorating spleen and promoting diuresis, regulating qi and blood, dredging collaterals and activating collaterals. Modern research has also found that stimulating Sanyinjiao has a certain therapeutic effect on neurasthenia, insomnia, dyspepsia, abdominal pain and diarrhea, stroke and hemiplegia. And if you massage Sanyinjiao for a period of time every day, you can find that your physical condition has improved and many chronic diseases can be well recovered.

In addition, Sanyinjiao is a "healthy and beneficial friend" for female friends. It can be said to be a "panacea" for gynecological diseases, and some people call it "female Li San". If you have dysmenorrhea, keep rubbing Sanyinjiao every day, and the pain will be alleviated (if you can cooperate with Hegu point, the effect will be better). Therefore, women with dysmenorrhea can start about a week before menstruation and spend 3 or 5 minutes massaging Hegu and Sanyinjiao every day; Stimulate Sanyinjiao point 2-3 times a day, lasting 2 minutes each time (causing soreness), and can also enrich blood, maintain beauty and strengthen beauty; Women with gynecological problems usually come to massage Sanyinjiao.