郭村保卫战胜利后，新四军苏南主力渡江北上，江南指挥部改称苏北指挥部，陈毅、粟裕的指挥重心由苏南转到苏北。由此，围绕发展苏北的斗争策略问题，刘少奇同陈毅之间反复进行了磋商。当时，苏北地区有伯种军事力量：一是日伪军有万余人，驻扎在长江、运河沿线重要城镇扬州、? Guocun defending the victory, the main force of the New Fourth Army Sunan crossing the river north, the southern headquarters was renamed the headquarters of the Soviet Union, Chen Yi, Su Yu’s command center shifted from the southern Jiangsu to northern Jiangsu. As a result, Liu Shaoqi and Chen Yi conducted repeated discussions around the strategy of developing the war in northern Jiangsu. At that time, there were 11 kinds of military forces in northern Jiangsu. First, there are more than 10,000 Japanese and puppet troops stationed in Yangzhou, an important town along the Yangtze River and the Grand Canal.