西安事变和平解决后,1936年12月25日,张学良送蒋介石回南京,一去不返,近20万东北军从此群龙无首。1937年3月,东北军东调,分驻豫南、皖北、苏北地区。同年4月到6月,南京政府对东北军进行整训、缩编,由每军四师的甲种军缩编成每军二师的乙种军编制。整编后的东北军为5个步兵军(其余为骑兵):第49军,军长刘多荃;第51军,军长于学忠;第53军,军长万福麟;第57 After the peaceful settlement of the Xi’an Incident, on December 25, 1936, Chang Hsueh-liang sent Chiang Kai-shek back to Nanjing and never returned. Nearly 200,000 Northeast troops were without leader. March 1937, the northeast army East tune, in southern Henan, northern Anhui, northern Jiangsu area. From April to June of the same year, the Nanjing government conducted the training and downsizing of the Northeast Army. It was downsized by the A armies of the four divisions of each army into the B armies of the second division of each army. The reorganized Northeast Army for the five infantry (the remaining cavalry): the 49th Army, Commander Liu Duochun; 51st Army, Commander Yu Xuezhong; 53st Army, Commander Wan Fulin; 57th