党的十五大将邓小平理论写进党章确定为指导思想，这是中国共产党迈向新世纪的一面旗帜。一、邓小平理论是中国共产党在把马克思列宁主义同中国实践相结合过程中的第二次历史性飞跃，第二大理论成果。二、邓小平理论第一次比较系统地初步回答了如何建设、如何巩固和发展社会主义的一系列基本问题，指导党制定了初级阶段基本路线。三、高举伟大旗帜是我们推进伟大事业的有力保证 The 15th National Party Congress defined Deng Xiaoping Theory into the party constitution as its guiding ideology, which is a banner for the Chinese Communist Party toward the new century. First, Deng Xiaoping Theory is the second historic result of the CPC’s second historic leap in integrating Marxism-Leninism with China’s practice. Second, Deng Xiaoping Theory for the first time systematically answered a series of basic questions on how to build and how to consolidate and develop socialism, guiding the party to formulate the basic line for the initial stage. Third, holding high the great banner is a powerful guarantee for us to push forward the great cause