Adjustment can enable candidates to re-select other majors when the original major has no chance and improve the success rate of postgraduate entrance examination. At the same time, adjustment can also make up for the low admission rate of some majors in colleges and universities, and ensure the coverage and quality of majors in colleges and universities.

Preschool education is a subject with children as the research object and kindergartens and nurseries as the employment direction. It is one of the disciplines closely related to economic and social development under the background of the new era, and it is a popular major.