本文以一個在五四時期轉向馬克思主義的知識分子─李達（1890-1966）─的歷程，觀察他在五四運動時，如何理解、運用馬克思主義分析並解答現代中國面臨的諸多問題。另一方面，本文將李達對於馬克思主義的理解和社會革命的看法，與當時另一位重要的知識分子─陳獨秀─作一對照，指出兩人對於階級自覺與國家角色的不同看法，呈現兩人在各自的政治立場中，對於馬克思主義理解的差異，以呈現五四時期馬克思主義解釋的多樣性與複雜面貌。

This essay focuses on an interpretation of Marxism from a Chinese intellectual – La Da. Li had believed Marxism during the May Fourth movement. This essay points out how he explained Marxism and answered problems in Modern China through Marxism. Furthermore, this essay compares the interpretation of Marxism of Li Da with another Chinese intellectual – Chen Duxiu. These two intellectuals had their own political positions, and also had different understanding in Marxism. The differences between Li and Chen show the complexity and multiplicity of “Marxism” in China.