The Chinese youth Party (CYP) take the Nationalism as the summons, flaunted the national interest is supreme, opposed the communism, advocated implements the democracy, the democratic constitutionalism. After the National Revolutionary Army Northern Expedition succeeds, Kuomintang based on the Sun Yat-Sen legacy of teachings, implements “the political tutelage,”other parties and groups regard as the illegal organization. Due to against “the political tutelage,” the CYP announced public activity in China, however, in 1931, 918 emergencies erupted. In the national disaster, the CYP proposed “the political party armistice, saved the nation” the position, however, Kuomintang's oppression increased steadily, many the CYP of members suffered the arrest or leaved the CYP. Due to the inner-party member affairs disputed, the CYP faced with “saved the nation,”“the revolution” which should come first being in a dilemma. After “the Tangku Agreement”evaluates, the national government can concentrate in suppress the Communists. Because Kuomintang and the CYP were the party of opposed the communism, the relationship was transition from against to cooperation. The Chinese Youth Party’s chief Zuo, Shun Shen convened temporary in the party the national people’s congress, so that the CYP of inner-poewr return to Zeng Qi, Zuo Shun Sheng, Li huang. Kuomintang and the CYP were the “cooperation”in 1935. In the political tutelage, Sino-Japanese, suppress the Communists under the factor influences, On the Relationship between the Chinese Youth Party and Kuomintang was from “the opposition” facing “the cooperation”. This article reference were the Chinese Youth Party’s books, the chief’s Memoirs, diary, letters and “The President Chiang Kai-Shek File”, discusses the Chinese Youth Party invades in the Kuomintang one party dictatorship as well as Japan compels, between the national disaster present, how chooses road of its survival!