1. Political review: Political review is an examination of candidates' political stance, ideological quality, honesty and self-discipline. Generally, applicants are required to have a firm political stance, excellent ideological quality, honesty and self-discipline, and at the same time, there must be no bad records that violate law and discipline and professional ethics.

2. College entrance examination: The college entrance examination mainly examines the applicant's basic education and comprehensive quality. In terms of assessment criteria, it mainly includes candidates' college entrance examination results, educational level, professional background, foreign language level and other factors.

3. Immigration: For applicants with immigration experience, their applications need more rigorous review. Mainly to investigate whether illegal immigrants, whether there is a stable social relationship, whether there is a legal and stable work and residence certificate.