The hegu point of the foot-yangming hand-yangming large intestine meridian, also known as the tiger’s mouth, is located in the palm of the hand, between the thumb and the second thumb, that is, between the first and second metacarpal bones, taken at the midpoint of the radial side of the second metacarpal bone. This point is a very powerful acupuncture point, face and mouth Hegu collection, all facial, oral, or facial diseases, in the Hegu point can be found in the treatment, such as headache, toothache, cold, nose discomfort, crooked mouth and eyes, deafness, tinnitus, can be taken Hegu treatment. Also, Hegu is an important point for reducing fever, and can treat fever that is evident in external sensations. In addition, it can also treat gynecological diseases, amenorrhea, stagnant labor, and dysmenorrhea. Hegu and Quchi acupuncture points together can also treat skin diseases, and even Hegu also has a lot of adjustment effect on sweat.