Migration worker is the group as no worker and no farmer, this paper thinks it is unpractical to bring migration worker into the unification aging security of china, it should differentiate the system between the migration worker and employee of city The government should consider the follow when it carry out the policy:first of all, the government is how to encourage enterprise paying for unemployment insurance? The second, how to decide the period and mode of paying for unemployment insurance? This paper puts forward the idea of the combine between unemployment insurance and employment encouragement, and explains this system will be reasonable with the simple simulation analysis and economic test according to analyses of games