Decision Tree Algorithm in College Students’ Health Evaluation System

Decision method. This paper introduces the theory of decision tree, analyzes the structure of decision tree, and discusses the idea of C5.0 algorithm and its advantages and disadvantages. At the same time, symptoms and factors affecting college students’ mental health, C5.0 algorithm is applied to college students’ mental health evaluation data. According to the mining results, students’ mental health problems can be more deeply understood, It is of practical significance to carry out mental health education for college students.