建一个什么样的党，怎样建党，是中国共产党人始终关注的核心问题。１９２１年７月２３日，中国共产党在上海成立，通过了中国共产党第一个纲领。纲领明确提出了党的基本任务和奋斗目标。党员成分的第一次大变化。中国共产党是中国工人阶级的先锋队，以无产阶级作为党的阶级基 What kind of party to build and how to establish the party are the core issues that the Chinese Communists have always been paying attention to. On July 23, 1921, the Chinese Communist Party was established in Shanghai and adopted the first program of the Chinese Communist Party. The program clearly set forth the party’s basic tasks and goals. The first major change in the composition of party members. The Chinese Communist Party is the vanguard of the Chinese working class and the proletariat as the party’s class base