At present,citizenization of migrants is an important problem of urbanization in China's social and economic development.It is necessary to use the international experience for reference in the process of solving this problem.This paper collected some representative cases related to the migrant integration from some countries.There are not only developing countries,such as India and Brazil,but also developed countries,such as Canada,U.S.,Sweden,Singapore and France.The cases are helpful in proposing more effective policies and methods to solve the problem of migrants' citizenization. <<