The connection between secondary and higher vocational education is an important way to realize the sustainable development of vocational school students. This paper investigates 188 college students who major in network technology during the transition period of secondary vocational schools to vocational colleges, analyzes the influencing factors of learning burnout, and explores the correlations among various factors such as teaching, teaching contents, learning environment, learning methods and psychology management. The research shows that paying attention to these factors and taking effective measures are of great value to improve the enthusiasm of secondary and higher vocational students. The research results provide important reference for the smooth convergence of secondary and higher vocational education in China.