改革开放以来,我国的社会阶级阶层结构发生了深刻的变化,农民阶级也迅速地分化出了若干个阶层,农民工就是其中一个重要而特殊的新社会阶层。本文从政治社会学的视角,分析当代中国农民工的社会流动问题,探索农民工社会流动的原因及其特点,这对于构建社会主 Since the reform and opening up, profound changes have taken place in the structure of social stratum in our country. The peasant class has also rapidly differentiated a number of stratums. Migrant workers are one of the important and special new social stratums. From the perspective of political sociology, this article analyzes the social mobility of migrant workers in contemporary China and explores the reasons and characteristics of migrant workers’ social mobility.