How can we solve the problem of spouse migration?

You've got your green card. If you want your fiancee to stay in the United States for a long time, choose marriage immigration!

Immediate relatives of American citizens. This kind of immigration application is not limited by the quota of the US government, and there is no need to wait for the schedule. Including:

A. spouses of American citizens;

B.2/kloc-unmarried children of American citizens under 0/year old;

C.2/kloc-parents of American citizens over 0/year old.