How to get a green card for studying in Spain?

1. Get immigrants through marriage; According to the current policy, a student can apply for a new work visa if he has lived in the local area for three years, passed all the exams, has no scholarship, has no criminal record, and a company is willing to hire the student. In Spain, the work residence has been changed twice, and the third time in the fifth year, it is equivalent to obtaining permanent residency.