五四时期各种社会思潮纷至沓来，错综复杂。但百川归海，在各种思潮的相互比较中，马克思主义在中国得到广泛传播，进而取得了主导地位。在纪念五四运动80周年的今天，重温这段历史，探讨马克思主义成为中国革命指导思想的历史必然性，不仅有助于我们了解中国革命的历史进程， During the May Fourth Movement, various social thoughts were pouring in and coming in complicated and intricate ways. However, in all kinds of trends, Marxism has been widely disseminated in China and has gained a leading position in the comparison of various trends of thought. Today, in commemoration of the 80th anniversary of the May Fourth Movement, it is not only not only helpful for us to understand the historical process of the Chinese revolution but also to review this period of history and explore the historic inevitability of Marxism becoming the guiding ideology of the Chinese revolution.