Hisaichi Terauchi
Japanese forces included the Japanese Northern China Area Army under Hisaichi Terauchi, elements of the Kwantung Army, and elements of the Inner Mongolian Army led by Demchugdongrub. Chinese forces were commanded by Yan Xishan (warlord of Shanxi), Wei Lihuang (14th Army Group), and Fu Zuoyi (7th Army Group), as well as Zhu De who led the Eighth Route Army of the Chinese Communist Party (under the Second United Front alliance).