杨虎城将军是陕西蒲城县人，中国现代史上名震遐迩的国民党爱国将领。本文试就张学良、杨虎城在向蒋介石作了多次“苫谏”乃至“哭谏”无效之后，乃于１２月１２日发动了震惊中外的－西安事变－，向蒋介石发动的“兵谏”时的作用试作探讨。所谓“三位一体”是指红军、东北军及 General Yang Hucheng Pucheng County in Shaanxi Province, the famous modern Chinese history of the Kuomintang patriotic generals. This article tries to Zhang Hsueh-liang and Yang Hu-cheng, who made a number of “remonstrances” and even “crying admonishments” to Chiang Kai-shek on December 12, launching on December 12 the “Xi’an Incident” that shocked both China and foreign countries - Function test for discussion. The so-called “Trinity” refers to the Red Army, the Northeast Army and