在冯玉祥的国民军中,曾经有一大批苏联军事人员担任顾问。此外,担任顾问的也有几位来自日本、德国、意大利的军官。在冯玉祥众多外国军事顾问中,日本少校军官松室孝良最为神秘。他的活动对北京政变前后的冯玉祥产生了重大影响。松室孝良早年毕业于日本士官学校,毕业后任职日本要塞司令部,后来担任过日本总参谋部军官、谍报员。他是个中国通,会讲一口流利的汉语,对中国的历史、地理、人文非常了解,并 Among Feng Yuxiang’s national army, there were a large number of Soviet military personnel serving as advisers. In addition, several consultants also come from Japan, Germany, Italy’s military officers. Among Feng Yuxiang’s many foreign military advisers, Japan’s major military officer Matsunaga Takao is the most mysterious. His activities have had a significant impact on Feng Yuxiang around the Beijing coup. Matsudo Takao graduated from Japan’s Priory School early in his career, after graduating from the Japanese Fortress Command, and later served as Japan’s General Staff officer, spy officer. He is a Chinese speaker who speaks fluent Chinese and has a good understanding of China’s history, geography and culture.