The Upper Lip point is located at the lower edge of the center of the knee, on the ligament of the kneecap; the Lower Lip point is located one inch below the lower edge of the center of the knee. Upper Lip Point and Lower Lip Point are Dong’s Qi Points, which are mainly used for treating lip pain, lip inflammation and other diseases. Clinically, three-pronged needles can be used to puncture the above points, which can be used to treat lip diseases, and is also effective in treating stomatitis. Three-pronged needle puncture should pay attention to sterilization, bleeding tendency, serious skin diseases or serious heart disease, diabetes and other chronic diseases, patients can not use three-pronged needle puncture. It should be noted that the three pronged needle puncture bloodletting must be operated by a professional doctor, do not operate on your own, so as not to cause damage.