Beginning on 23 May 1948, the PLA troops under the command of Lin Biao were beginning to encircle the city, and Changchun was soon cut off from the rest of the KMT-held areas in the Northeast.
Beginning on 23 May 1948, the Northeast Field Army under the command of Lin Biao reached the outskirts of Changchun and began encircling the city. Soon after, Changchun was cut off from the rest of the Nationalist-held areas in the Northeast.