[Professor Li Shi-zhen's clinical experiences on compatibility application of hegu (LI 4)]

The present paper introduces professor LI Shi-zhen's clinical experiences on compatibility application of Hegu (LI 4). Hegu (LI 4) is mostly used to treat acute pyreticosis, exterior syndrome of exogenous diseases, mind diseases and deficiency of vital energy. Acupuncture at this acupoint by using reducing method can dispel wind to relieve exterior syndrome, clear away heat to disperse lung. Powerful stimulation by needle can dredge stagnant meridian, open orifice to activate spirit. Acupuncture at this acupoint by using reinforcing method can invigorate qi to strengthen superficies and replenish qi to prevent collapse. Based on this method, reinforcing Zusanli (ST 36) and Baihui (GV 20) can strengthen middle energizer to nourish qi, which show the same benefits as Buzhong Yiqi Decoction; reinforcing Sanyinjiao (SP 6) can nourish both qi and blood, which show the same benefits as Decoction of Eight Ingredients; reducing Neiting (ST 44) can clear away evil heat of qifen in yangming meridians, which show the same benefits as Baihu Decoction.