This paper analyzes the working and living conditions of “Beipiao” based on the survey of migrant workers in Beijing. From the point of view of the results of the survey，“Beijing drift” mainly consists of post 80s and post 90s，a higher proportion of male and their record of formal schooling is higher than that of the other mega cities such as Shanghai，Guangzhou and Shenzhen. “Beijing drift” have been to Beijing working and living 5.3 years as average，which show a high stability，and 14.2 percent of them purchased a house in Beijing. There are nearly 70 percent of the “Beijing drift” holding of long-term willingness in Beijing to work and live，especially those who have purchased a house in Beijing will be more strong. Under this underground，the relevant urban management policies for the migrant population need to face this reality and improve the relevant policies design to reflect the level of urban management better.