In 1949 during the war of liberation, the Party Committee for the liberation of the northwest region, from North China front will I Liberation Army Comrade Wang Zhen back, by the Party leadership of the Central Military Commission delegation, rate army marched into the northwest of China, with the first field army and the northwest more national reactionary Army strength of national reactionary army for a large-scale decisive strategic engagement, complete military qinghaima Bu Fang the main force to destroy, the northwest other reactionary troops completely into dispersed, isolation, and, through to Qinghai, Ningxia, West, the whole big northwest area paved the way for the liberation.