In recent years,the archives center of history in Taiwan has declassified a batch of secret telegrams from FU Zuo-yi,ZHU Shao-liang,and Chiang Kai shek during the Suixi Anti Japanese War,including more than ten historical materials related to the telegrams from the Wuyuan and Linhe Anti Japanese Wars.These telegram materials have impor-tant research value for studying the Japanese invasion of Suixi,the deployment of the Nationalist army in Suixi,the loss and recovery of Wuyuan,the number of casualties of the Nationalist army,and the use of poison gas bombs by the Japa-nese army.At the same time,they also expose the Japanese army's attempt to use ethnic issues to dismember China's con-spiracy.The recovery of Wuyuan and the Suixi Anti Japanese War are of great significance for defending the northwest.