In recent years，the migrant workers scale grew much slower during the macro circumstancechanged.For Shanghai，the situation was more complex.The influence factors included not only fewer transferable agriculture labor force，less attractive to no-registered labor force，industrial gradient transfer，but also population control policies which is the important measures of household registration reform.Since the implementation of Shanghai population control measures in 2014，the annual growth rate of no-household population scale is significantly lower than the national average，and even negative growth in 2015.During these years，the no- household population group characteristics also changed，especially the no-household population of working age.These changes included：the no-household populationslower growth，the increase of proportion of the elderly population，the increase of education level，the change of occupation structure，the increase of formal employment level，the increase of income levels and the reduce of the individual differences.To some extent，these characteristics can be regarded as the effect of population control policy.