“三个代表”重要思想是对马克思主义唯物史观和工人阶级理论的丰富和发展 ,是无产阶级世界观在新的历史条件下的集中体现和科学概括 ,是新时期共产党党性的集中体现。中国共产党要以“三个代表”为理论指导 ,树立艰苦奋斗的价值观和执政为民的权力观。准确把握“三个代表”重要思想 ,必须深刻理解中国共产党党性和阶级性的历史变化 The important thinking of the ’Three Represents’ is the enrichment and development of the Marxist historical materialism and the working class theory. It is the concentrated embodiment and scientific summary of the proletarian worldview under the new historical conditions and is the concentrated embodiment of the communist nature in the new era. The Chinese Communist Party must, guided by the theory of “three represents,” establish the values ​​of hard work and the concept of power governing the people. To Grasp the Important Thought of “Three Represents” Accurately, We Must Understand Deeply the Historical Changes of the CPC Nature and the Class Nature