This paper deeply studies the application of competition-oriented teaching mode in information security, aiming to solve the problem that traditional teaching methods lag behind the development of technology. The competition-oriented teaching model cultivates students' key skills such as real-world problem-solving, technical practice, and teamwork through practical safety competition projects. This paper analyzes the successful experience of this model in promoting the improvement of students' comprehensive literacy and evaluates its practical effect on student performance. The study found that the competitionoriented teaching model provides a richer and more practical learning experience for information security students so that they can better adapt to the challenges of the workplace.