一、引言战国晚期的《鹖冠子》一书中记载了这样一个故事:蔡文侯问名医扁鹊说:“你们家兄弟三人,都精于医术,到底哪一位最好呢?”扁鹊答道:“长兄最好,中兄次之,我最差。”文侯再问:“那么为什么你最出名呢?”扁鹊答道:“长兄治病,是治病于病情发作之前,由于一般人不知道他事先能铲除病根,所以他的名气无法传出去,只有我们家的人才知道;中兄治病,是治病于病情初起 I. Introduction In the late Warring States period, the title of ”Crown Prince“ recorded such a story: Cai Wenhou asked famous doctor Bian Que: ”Your three brothers are skilled in medicine. Which one is the best?“ Bian Que replied: ”The eldest brother best, followed by his brother, my worst.“ Wen Hou asked: ”So why are you most famous?“ ”Bian Que replied:" Elder brother treatment , Is the treatment of the disease before the attack, because most people do not know that he can eradicate the root cause of disease, so his fame can not be heard, only our family of people know;