纯洁性是马克思主义政党的根本特征,也是马克思主义政党自身建设的根本任务。如何从理论上界定马克思主义政党纯洁性理论的科学内涵,需要有科学的思路和方法。本文拟从政党与社会的 Purity is the fundamental characteristic of a Marxist political party as well as the fundamental task of the self-construction of a Marxist political party. How to theoretically define the scientific connotation of the purity theory of Marxist parties requires a scientific approach and methodology. This article is from the political parties and society