中文摘要：

列宁根据马克思的基本精神，对意识形态功能问题进行了系统的研究与探索，并取得了卓有成效的研究成果。列宁对意识形态功能的概括主要有：意识形态论证和捍卫统治阶级的合法性；意识形态整合社会思潮，凝聚人心；意识形态源自特定阶级根本的利益需求，具有利益阐释和利益维护功能。

英文摘要：

According to the basic spirit of Marxism, Lenin conducted systematical research on the ideological function, and resul- ted in fruitful findings. Lenin outlined the functions of ideology, which contained the argumentation of Ideology, the defending of the le- gitimacy of the ruling class, and the social trend of ideological integration. The paper concluds that the social ideology derives from the fundamental interests demand of the specific class, and thus have the functions of interests interpretation and maintenance.