1946年6月,国民党悍然发动内战,人民军队奋起反击,解放战争拉开序幕。在华北解放战场,一年下来战场形势不容乐观:虽然我军相继进行了正太、青沧、保(定)北等战役,仗打得不算少,但指战员们对所取得的战绩并不满意。诚如杨得志所说:“我们感到,主要是未能集中兵力大量歼灭敌人的有生力量,未能从根本上打破敌人对北平天津保定三角地带的控制,敌我双方实际上仍处于胶着的对峙状态。”直到1947年6月,我军在 In June 1946, the KMT brazenly launched a civil war, and the people’s army fought back and the war of liberation was kicked off. In the liberation battlefield in North China, the situation in the battlefield for one year is not optimistic: although our army carried out battles in Zhengtai, Qingcang and Baoding (north) in succession, the battles were not badly battled, but the officers and men were not satisfied with the achievements made . As Yang Dezhi said: "We feel that it is mainly because we failed to concentrate the force to annihilate the enemy in large numbers and failed to fundamentally break the enemy’s control over the Baoding Triangle in Tianjin, and the enemy and ourselves are still in stalemate. Until June 1947, my army was there