The foot San Li is a major health point in the body and is located at the lower leg. In the process of finding it, it should be about four fingers down from the depression below the outside of the kneecap is the location of the Foot San Li. It can also be found in other ways, such as by pressing the top of the knee with the heart of the right hand with the five fingers facing down and the top of the middle finger one finger outward to the right leg. Clinically, the foot can be stimulated by massage, acupuncture and other means to regulate the meridians to regulate the body’s immunity and enhance the body’s ability to fight disease. In addition, it is also useful for the treatment of diseases such as impotence, functional uterine bleeding in women, pelvic inflammatory disease, hyperlipidemia, hypertension, gastroptosis, duodenal ulcer, gastritis, etc. The acupuncture point can be used as an adjunctive therapy.