1. purpose of the interview: 1. Strengthen the ties between alumni at home and abroad and between alumni and their alma mater. 2. Collect the career choices and entrepreneurial experiences of successful alumni, as a typical case of college students' career choices and entrepreneurship, and play a demonstration and leading role. 3. Through visiting activities, expand the scope of students' participation in social practice, guide students to know and serve the society, and improve their comprehensive quality and competitiveness in practice. 4. Collect alumni's suggestions and opinions on the talent training of the school, and provide reference materials for the talent training objectives of the school.