1, Opportunity: 1, Increased employment opportunities: Social changes have brought about the development of new industries and fields, providing more employment choices for college students. 2. Increased entrepreneurial opportunities: The state has issued policies to encourage innovation and entrepreneurship, providing more support and protection for college students who are interested in starting businesses. 3. New fields brought by technological progress: The rapid development of informationization, digitalization and intelligence has opened up new employment fields for college students, such as artificial intelligence, big data and cloud computing.

2. Challenge: 1. Improvement of comprehensive quality requirements: Social changes have put forward higher requirements for college students' learning ability and adaptability, and they need to constantly learn and update their knowledge. 2. Adjustment of values and professional outlook: Social changes have put forward higher requirements for college students' values and professional outlook, and they need to pay attention to social responsibility and public welfare undertakings. 3. The ever-changing job market: Social changes have brought uncertainty and rapid changes to the job market, so college students need to be flexible and prepare for their careers.