Order of battle: Hundred Regiments Offensive

Hundred Regiments Offensive
 * Aug 20 – Dec 5, 1940

China
18th Group Army – Deputy Commander Peng Dehuai
 * 129th Division
 * 47 regiments
 * 120th Division
 * 22 regiments
 * 115th Division
 * 46 regiments

Total: 115 Regiments, variously estimated between 70,000 and 300,000 men. Actual communist strike regiments exerted to the campaign would total about 22 regiments.

Japan
Japanese Northern China Area Army – Lieutenant General Hayao Tada
 * 15th Independent Mixed Brigade [ Hebei, Peiking area]
 * 27th Division [ Hebei, Tientsin area]
 * 7th Independent Mixed Brigade [ Shandong, Huimin area]
 * 110th Division [Hebei, Baoding area]
 * 8th Independent Mixed Brigade [Hebei, Shijiazhuang area] - Major General Mizuhara
 * 1st Independent Mixed Brigade [Hebei, Handan area]
 * Mongolian Army [HQ: Chahar, Zhangjiakou]
 * 26th Division [ Suiyuan, Datong area]
 * 2nd Independent Mixed Brigade [Chahar, Zhangjiakou area]
 * 1st Army [ Shanxi, Taiyuan]
 * 36th Division [Shanxi, Lu'an area]
 * 3rd Independent Mixed Brigade [Shanxi, Shanheng (山亨) county area]
 * 4th Independent Mixed Brigade [Shanxi, Yangquan area] - Lieutenant General Katayama
 * 9th Independent Mixed Brigade [Shanxi, Taiyuan area]
 * 41st Division [Shanxi, Linfen area]

Collaborationist Chinese forces