By YangJingYu, such as WeiZhengMin led Chiang KangLian first, and the second army, the first belongs in changbai mountain region south manchuria actively developing the anti-japanese guerrilla war. In July 1937, after the commander in fitflop electrachief YangJingYu rate Chiang army one by liaoning, first, moving westward huanren in kuandian XianJing benxi areas, DuoCi attacks and the Japanese army garrison. The Chinese government south manchuria, secretary of provincial party committee, the first second army Chiang of political WeiZhengMin led the second army, also in jilin forehead mourinho, fai south, be jiang, FuSong, such as he in the constituent guerrilla warfare, hit the enemy. In early 1938, and they succeeded YangJingYu by hr issues Ann, activity in into the old ridge mountains. In march, the Japanese are built on the attack (change) album (Ann) railway tunnel engineering old. April, and the second army takes six DaoGou changbai county town. Mid-may to early June, Chinese communist party committee and the first south manchuria Chiang headquarters in old ridge convened to decide the first army, and the second army correspond to the western expedition in changbai mountain. The meeting decided to WeiZhengMin out against the first deputy commander Chiang part-time. July at the middle of the second laoling meeting, decided to give up the western expedition plan, and decided to change forces. Then, the first of the troops make up for Chiang unified three army and a guard brigade, a division operations. In August, YangJingYu command guard brigades and the first front in a county magistrate wanted the elves SuoJingQing rout hillock, travel a ball. In the winter of 1938, the first Chiang fought, and constantly to continue to fight the elves,.

In the fall of 1937, the battle in the wusuli river left WanDaShan area of the river and northeast KangLian successively obtains attacks BaoQingXian cold water springs son, sichuan county policeman false hachette meng home to launch surprise together, hillock baoshan spokesmen, five way hillock and the battle to launch. In October, the northeast anti-japanese united army second Chiang was established as the second ZhouBaoZhong organising committee, Chiang appointed deputy commander in chief commander in chief, ZhaoShangZhi (February 1940), as CuiShiQuan as a chief of staff, presides over the fourth, fifth, seventh, eighth, 10 were five army. The end of the year, the second Chiang began to hard against "jihad" combatfitflop. According to communist party JiDong provincial party committee's decision, in July 1938, the fourth, fifth army Chiang main western expedition, trying to start with activities in the south manchuria first contact, and then Chiang communication and customs, the contact with the WeiZhui along the way. They enemy. The fourth army fighting heroically LiYanPing and vice captains of the army WangGuangYu successively heroic sacrifice. The fifth army women's groups such as LengYun eight female soldiers, to cover the break, with the enemy forces guild wars to food do play away, finally jumped into the HunHe tributary, mudanjiang, all the stream of heroic sacrifice. Stay in baoqing, RaoHe, FuJin etc to adhere to the struggle was also forces, a lot of damage.