Under the guidance of Lenin’s thought on the construction of institution for intra party democra-cy,the Russian Communist Party initiated a great era of intra party democracy. This thought has impor tant historical significance and value, and it not only inherits and develops the Marxism thought of building a democratic Party, but also provides experience and the guidance for the intra- party democratic construction of the proletarian party. It has important contemporary value to the Chinese Communist Party in tra-party democracy construction. This thought is an important guide for our party to carry out intra party democratic development and to action for improving intra-party democratic system. Additionally , it serves as a theoretical weapon for supervising system reform.