1. knowledge diversification: taking a double degree brings a wider range of subject knowledge. The study of different subjects can broaden our horizons and increase students' knowledge and understanding of different fields. This enables students to develop in an all-round way, have diverse knowledge backgrounds, and have stronger ability to analyze and solve interdisciplinary problems.

2. Increase the competitiveness of employment: Double degrees can enable students to have professional knowledge and skills in two different fields, thus enhancing their competitiveness in the job market. For some specific industries, having multiple degrees may be one of the requirements for entry. At the same time, the double degree also shows that students have strong learning ability and adaptability, which also has a positive impact on their future career development.

3. Interdisciplinary integration: taking a double degree can promote interdisciplinary integration and cooperation between different disciplines. In the process of learning, students can combine the knowledge of two disciplines and explore the relationship between different disciplines. This helps to cultivate students' creativity and innovative thinking, and has more ways and methods of thinking when solving complex problems.

4. Scene adaptability: In the process of interdisciplinary learning, students need to master learning methods and skills in different fields at the same time. This cultivates students' learning and adaptability in different scenarios, and improves the flexibility and efficiency of solving problems. This ability is very important for the ability to face diversity challenges in future study and work.

Taking a double degree also faces some challenges, such as increased academic burden and difficult time management. Therefore, students need to fully consider their interests, learning ability and future development direction before deciding to take a double degree.