Similarities and Differences on the Therapeutic Effects of Acupoint Fengchi（GB 20）, Fengfu（GV 16） and Fengmen（BL 12）

Acupoints Fengchi（GB 20）, Fengfu（GV 16）, and Fengmen（BL 12） locate on the posterior naple and the upper back, the site where the pathogenic wind often attacks. ＂the Upper part of the body is firstly attacked in those who are attacked by the wind,＂ so that all those points are named after ＂Feng（wind）＂.