International population movement takes on some evident features under the background of economic globalization, one of which is the increase of the skilled migration. The situation of skilled migration are favorably received in the world has something to do with the migration polices of the developed countries. America and Canada made the skilled migration polices in order to respond to the contest for global talents brought by information revolution and are very successful in attracting skilled migration. Meanwhile, we can see that the skilled migration polices of America and Canada have dua...