1942年秋天,日军纠集万余人,对沂(水)北山区实施拉网合围“大扫荡”。我鲁中军区第2分区第1团团部带4个连队,先是隐蔽在卞山以北赶牛场、老猫窝一带,伺机向东穿越青(州)沂(水)公路跳出敌合围圈。10月29日子夜,获情报:敌军在青沂公路的沂水、高桥、沭水、马站已构成密集网线,向? In the fall of 1942, the Japanese army mobilized more than 10,000 people and implemented a “large-scale mopping-up” of sieges on the northern mountainous area of ​​Yi (water). I Lushan Military Region No. 2 Division 1 regiment with four companies, first concealed in the cattle field north of Bianshan, the cat litter area, waiting for an opportunity to cross the Qing (state) Yi (water) highway out of hostile circle. Midnight on October 29, by the intelligence: the enemy in Yinyi, Yishui, Takahashi, Shu Shui, horse station has formed a dense network of lines,