In August 1937, the 4th Army of the Fourth Front Army of the Chinese Workers' and Peasants' Red Army was reorganized into the 385th Brigade of the 129th Division of the Eighth Route Army of the National Revolutionary Army in Fuping County, Shaanxi Province.Wang Hongkun served as brigade commander, Wang Weizhou served as deputy brigade commander, Geng Biao served as chief of staff, and Su Jingcheng served as director of the Political Training Department at the beginning of the Political Department.It has under the jurisdiction of the 769th Regiment reorganized from the 10th Division of the Red 4th Army and the 770th Regiment reorganized from the 12th Division of the Red 4th Army.After the reorganization of the troops, it was divided into two parts of operation.At the end of 1941, the 385th Brigade was under the jurisdiction of the 770th Regiment and the 2nd and 7th Garrison Regiments, and in May 1942, it was assigned to the Shaanxi-Gansu-Ningjin-Sui Joint Defense Army, and the 385th Brigade was retained until March 1946.The 769th Regiment was under the direct command of the 129th Division, and at the end of September 1937, it crossed the Yellow River and headed for the anti-Japanese front in North China.On October 19, a night attack on the Japanese frontline airfield at Yangmingbao in Dai County, Shanxi Province, damaged 24 planes.In order to cooperate with the Kuomintang army's operations to defend Xinkou and Taiyuan, the 769th Regiment, under the leadership of Xu Xiangqian, deputy commander of the 129th Division, arrived at the Xiyang area south of present-day Taiyuan in Shijiazhuang on October 30, and joined the main force of the 129th Division to attack the Japanese army advancing west along the Zhengtai Railway.After participating in the Guangyang ambush in November, he dispersed to the northern area of Taihang Mountain, assisting the local CCP to organize and mobilize the masses, expand the local armed forces, and establish an anti-Japanese regime.In December, with the 7th Company of the 769th Regiment as the backbone, it was combined with the three guerrilla brigades of Xiyang, Xingtai and Yuci to form the Wang Naigui Detachment of the Independent Detachment.In mid-January 1938, the 769th Regiment transferred 4 companies to form an eastward column with the cavalry company directly under the 129th Division, led by Chen Zaidao, deputy commander of the 386th Brigade, and entered the east of Hankou in present-day Beijing, Pinghan Railway, and opened up an anti-Japanese base area in southern Hebei.On the 23rd, the 769th Regiment and the 129th Independent Regiment of the 129th Division, which was reorganized from the Western Hebei Guerrilla Detachment, launched a traffic sabotage battle along the Zhengtai Railway and participated in the Xiangtangpu ambush.In mid-April, he participated in the "Nine-Way Siege" operation of the anti-Japanese puppet army in southeast Shanxi with the main force of the division.In the second half of the year, he marched eastward into the Jilu Plain, participated in the reorganization of the miscellaneous armed forces, and expanded the anti-Japanese base areas in southern Hebei.On June 12, 1938, the 769th Regiment, the 129th Division Independent Regiment and the Independent Detachment were combined into the new 385th Brigade, with Chen Xilian as the brigade commander, Xie Fuzhi as the political commissar, Wang Naigui as the deputy brigade commander, Fan Chaoli as the chief of staff, and Xie Fuzhi as the director of the Political Department and Huang Zhentang, with a total of about 8,000 people in the brigade.At the beginning of August, Xie Fuzhi led the first brigade and the 3rd battalion of the independent detachment from Taihang to the area east of the Pinghan Railway, and on the 31st, Xinhe County, Hebei Province, the independent detachment and the Hebei-Henan detachment were combined into the Hebei-Henan anti-Japanese guerrilla detachment of the Eighth Route Army, referred to as the Hebei-Henan detachment, which was organized under the 385th Brigade, and had jurisdiction over the 1st Regiment reorganized from the original Hebei-Henan detachment and the 2nd regiment reorganized from the independent detachment, and carried out work in Zhaoxian, Gaocheng, Shulu, Ningjin, Jinxian and other places.In October, the 385th Brigade participated in the Zhengtai Railway Breakdown Battle, and responded to the Shanxi-Chahar-Hebei Military Region troops to counterattack the Japanese army's siege of Wutai and Fuping.In November, the 769th Regiment and the Independent Regiment, with the cooperation of the two guerrilla detachments of Taihang and Kowloon, participated in the "six-way siege" to counterattack the Japanese puppet army.In June 1939, the 385th Brigade was reorganized and reorganized, the Independent Regiment was changed to the 1st Independent Regiment, and the Hebei-Henan Detachment was reorganized from the southern Hebei to Taihang and reorganized into the 2nd Independent Regiment.In the same month, Zhao Huilou served as deputy brigade commander, and Zeng Shaoshan served as brigade chief of staff.In July, the 385th Brigade participated in the counterattack against the Japanese "sweep" in the Taihang District.In December, the main force of the brigade participated in the Battle of Changzhi in Handan.In the winter of 1939 and the spring of 1940, during the first anti-communist upsurge set off by the Kuomintang diehards, the 385th Brigade fought back and annihilated more than 6,400 Kuomintang diehards.During this period, Lu Rencan served as the director of the political department of the brigade.In early May, he participated in the Baigui Jincheng Attack Battle of the Baijin Railway.In June, the troops were reorganized, except for the 769th Regiment, the 1st and 2nd Independent Regiments were renamed the 13th and 14th Regiments respectively.The number of the 3rd Independent Regiment was revoked, and the troops were assigned to the above two regiments.In August 812, he participated in the Battle of the Hundred Regiments, and carried out a breakdown battle and a retaliatory "sweep" against the Japanese army in the western section of the Zhengtai Railway.In August 1941, the 385th Brigade successively participated in the Xingshayong Campaign, the autumn and winter anti-"sweeping" operations in Taihang District, and the Pinghan Railway Breaking Battle.In 1942, under extremely difficult circumstances, the 385th Brigade thwarted the Japanese puppet army's summer and autumn "sweeps" and many "law and order strengthening movements", carried out the Fushan Yicheng Campaign to counterattack the Kuomintang recalcitrant army, and sent small units and armed work teams deep into the enemy-occupied areas to assist the local CCP organizations in carrying out mass guerrilla warfare.aa2705221: