On June 23, 1946, Chiang Kai-shek attacked the Central Liberation Zone. On June 23, 1946, Chiang Kai-shek, with 300,000 troops, attacked the Central Liberation Zone, firing a comprehensive offensive. Then, on June 2, 1946, Chiang Kai-shek bombed Yuan with aircraft. During the early liberation war, Chiang Kai-shek had 4.3 million troops, of which the regular army was more than 2 million, controlling the area of more than 300 million people, and with U.S. aircraft and tanks; the Chinese People's Armed Forces had only 1.2 million, the Liberation Zone had only more than 100 million people, mainly by the "Kai-shek Pistols". In the full civil war, the National Party's front line of liberation was used for 80 percent of the regular army,