与李大钊、陈独秀一样,建党时期的李达对马克思主义理论的追求非常执著,十分重视马克思主义理论的研究和宣传工作。这个时期,李达热情宣传马克思主义和列宁的建党思想,积极为建党作思想理论准备。正如毛泽东所说:李达“在早期传播马列主义,是起了很大作用的”~①。概括起来,李达为党的创建作出的思想理论贡献,主要表现在以下几个方面。一、围绕时代课题,从理论上论证了建立无产阶级政党的必要性和可能性 Like Li Dazhao and Chen Duxiu, Li Da in the founding period was very persistent in the pursuit of Marxist theory and paid great attention to the research and propaganda work of Marxist theory. During this period, Li Da enthusiastically promoted Marxism and Lenin’s thought of building the Party, and actively prepared for the party’s ideological theory. As Mao Tse-tung said: Li Da “spread Marxism-Leninism in the early days and played a very significant role.” To sum up, Li Da’s ideological and theoretical contributions to the founding of the party are mainly reflected in the following aspects. First, around the issue of the times, the necessity and possibility of establishing a proletarian party have been theoretically demonstrated