Since the 1990s , research achievements on rural surplus labor have emerged with unprecedented range and quality in such fields as the related theoretical issues on population flow , the present situation , characteristics , tendencies and impact of the floating population , and the design of corresponding countermeasures 摘要20世纪90年代以来，有关农村剩余劳动力流动问题的研究成果不断涌现，研究视野涉及了人口流动的相关理论问题、流动群体的现状、特点、趋势、影响以及有关对策设计等方面，其深度和广度前所未有。
The study in social stratification and social mobility is more seen in farmer workers than that in the white collar , as a mass organization the white collar is expanding sharply , who does more contributions to the corporation and the economy development , so the white collar ' s position obtaining and mobility is worth to study 关于社会各阶层流动问题的研究，社会学界多年来关注的是农民流动问题，而对白领流动的问题少有涉猎。而白领作为一个日益壮大的群体，对企业和区域经济的发展起着重要作用，对他们的地位获得和流动进行研究是很有意义的。
