1. The social demand determines the talent demand, and the social demand of college students as an important human resource determines their employment;
2. The social demand determines the professional demand, and the setting of majors directly affects the main direction of students' knowledge, professional skills and professional quality, thus directly affecting students' job selection; For example, the emergence of new majors in colleges and universities in recent years and the better employment of emerging majors have proved the important role of social needs in college students' job selection.
3. Social demand determines the change of talent demand of enterprises and institutions. The concept of college students' previous employment and present employment is more social factors, and the more important social factors come from social needs;