7ai Xuan written by Yang Xiong, a leading confucian of the Western Han Dynasty, divides the process of developmentand change of things into three stages ： thinking, blessing and misfortune, in which blessing is the key and is also the focus ofdiscussion in the book, and is discussed in Tai Xuan combined with a variety of conditions. This between blessing and misfortune,blessing and happiness, and compares the terms with the time , through the Yang Xiong, s life experience and personality , the paper searches for the root causes of such ideas. ...
