西安事变的主要当事人张学良、杨虎城将军,一位被蒋介石囚禁长达半个世纪,一位在蒋介石败逃台湾前惨遭杀害。同为西安事变主角,为何两人命运不同?杨虎城为何难逃一死?而对张学良,蒋介石为什么既不杀也不放?蒋文祥在《西安事变张、杨命运异同论》一文中分析了其中的原因。蒋介石杀害杨虎城的原因,是由于他参与发动了西安事变;但后来他的“言行不慎”又使“点数”逐渐到达。具体地说,有三个原因:首先,“兵谏”扣蒋的动议来源于杨虎城。其次,杨虎城坚决反对“贸然释 Chang Hsueh-liang, the main party to the Xi’an Incident, General Yang Hucheng, was held captive by Chiang Kai-shek for half a century and killed before Chiang Kai-shek fled Taiwan. The same as the protagonist of the Xi’an Incident, why two different fate? Why Yang Hucheng escape death? And Zhang Xueliang, Chiang Kai-shek why neither kill nor release? Jiang Wenxiang in the “Xi’an Incident Zhang Yang similarities and differences between the theory of” analysis of which one the reason. Chiang Kai-shek killed Yang Hucheng because he was involved in the launch of the Xi’an Incident; but later his “words and deeds” in turn caused the “points” to arrive gradually. Specifically, there are three reasons: First, the motion of “soldiers remonstrance” to buckle Chiang originated from Yang Hucheng. Secondly, Yang Hucheng resolutely opposed "rash