1947年4月上旬,为了打通南北满解放区的联系,从根本上扭转东北战局,东北民主联军准备向国民党军发起夏季攻势。按照作战计划,在南满和北满的民主联军主力行动的同时,以第6纵队向拉法、吉林一线出击,歼灭分散孤立之敌,收复小城市和广大乡村。 In early April 1947, in order to get through the contact of the People’s Liberation Area of ​​North and South Korea and fundamentally reverse the Northeast’s war situation, the Northeast Democratic Coalition was prepared to launch a summer offensive to the Kuomintang army. In line with the operational plan, the main columns of the Democratic coalition in Manchuria and Manchuria were operating at the same time as the 6th column to attack Rafah and Jilin front lines, annihilating the dispersed and isolated enemy and recovering the small cities and vast villages.