Abstract: Zhang Zhizhong involved in the peace negotiation of the Kuomintang Party with the Chinese Communist Party for several times.His thought changed, including the thought of the Kuomintang Party and the Chinese Communist Party, and he expressed his outrage at The Kuomintang Party for the departure from the Three People's Principles.The long-term united front policy of the Communist Party of China inspired the final change of Zhang Zhizhong's position.At the same time, this is the result of Zhang Zhizhong's further understanding of the Communist Party of China.He loved the country and the people and he was very disappointed to the practice of the Kuomintang.Zhang Zhizhong made a contribution for the peace and truce in China.During the Chongqing negotiation, he did his best to bring about the agreement of the parties and to protect the safety of Mao Zedong.In addition, he made a contribution for the peaceful liberation of Xinjiang during the War of Liberation.