摘要：周恩来同志是伟大的马克思主义者。他的一生是无产阶级革命家的一生,杰出的共产主义战士的一生。但周恩来同志最初接触到马克思主义却不是在中国,而是在日本。东渡日本在他早期思想的发展中是一个转折点,是他成长为共产主义战士的开端。本文拟通过对周恩来同志留学日本的背景、周恩来同志在日本接触的新思想和实践活动，周恩来同志在旅日时期社会改造观念的变化三个方面来对周恩来同志留学日本时期的思想变化和发展进行探析。

关键词：周恩来 留学日本 拒约运动  思想发展

Abstract:Comrade zhou enlai was a great marxist.His life is a life of proletarian revolutionist, a life of an outstanding communist fighter.But comrade zhou enlai first come into contact with the marxism but not in China, but in Japan.Developing of dongdu Japan in his early thought is a turning point, is the beginning of he developed into communist fighter.This paper based on the background of studying in Japan, comrade zhou enlai comrade zhou enlai contact with new ideas and practice in Japan, the change of the idea about social transformation during a woeful comrade zhou enlai comrade zhou enlai three aspects to study in Japan period ideas change and development for analysis

Key Words: Zhou enlai  Studying in Japan  From about sports  The thought development