Due to the low level of college students' professional quality and low employment rate, in recent years, enhancing the extracurricular learning ability of college students has become an urgent problem to be solved in college education. Based on learning resources and its influencing factors, this article studies the selection of extracurricular learning channels for college students through Analytic hierarchy process (AHP) and Grey association analysis, aiming to improve the extracurricular learning efficiency of college students and provide references for making policy.