There is no such thing as “eight major effects of Hegu” in clinical practice. Hegu point has the effect of treating head and face diseases, gynecological diseases, exogenous diseases, gastrointestinal diseases. 1. Treatment of head and face diseases: Hegu acupoint is located in the Hand Yangming Large Intestine Meridian, the large intestine meridian circulation through the cheeks, teeth, lips, Hegu acupoint can treat headache, eye redness and swelling pain, nose bleeding, toothache, teeth closed, crooked eyes and mouth, deafness, mumps, sore throat and other head and face diseases. 2. Treatment of gynecological diseases: Hegu point is the original point of Yangming meridian, which is a major point for regulating the human body’s qi, through the regulation of qi in order to regulate the blood to activate the blood, menstruation and pain relief effect, so it can be used for the treatment of obstetrics and gynecology and all kinds of qi and blood disharmony disorders, such as dysmenorrhea, dysmenorrhea, stagnant birth, and so on. 3. Treatment of exogenous diseases: Lung and large intestine are mutually exclusive, so Hegu acupoint is effective in treating exogenous diseases of lung, such as malignant cold (fear of cold), fever, cold and flu, and sweating or no sweating in febrile diseases. 4. Treatment of gastrointestinal diseases: Hand Yangming Large Intestine Meridian and Foot Yangming Stomach Meridian are connected to each other, so Hegu acupoint is useful for gastrointestinal diseases such as abdominal pain and constipation. Hegu point is located in the back of the hand between the 1st and 2nd metacarpal bones, the second metacarpal bone radial midpoint, for head and face diseases, gynecological diseases, exopathic diseases, gastrointestinal diseases have a certain effect, clinically often with the use of other points together. The operation of Hegu acupoints should be carried out by professional medical personnel, and individuals should not operate blindly.