1. Professional knowledge and experience: As the person in charge of the training course, Guo Yuyuan has rich professional knowledge and experience, solid academic foundation and practical experience in related fields, and can effectively impart his knowledge and experience to the trainees.

2. Teaching methods and resources: The quality of training courses is also related to teaching methods and resources. Guo Yuyuan's training course adopts practical and effective teaching methods, such as case analysis and practical training, which can help students better master and apply what they have learned.