Abstract: The evaluation index system of college students' entrepreneurial ability plays a guiding role in training college students' entrepreneurial ability. It is necessary to adhere to the systematic, operable, effective and dynamic index system construction principles, analyze college students themselves, school education, social environment and so on, and evaluate college students' entrepreneurship from the following four aspects:entrepreneurial spirit, entrepreneurial skills, entrepreneurial management, entrepreneurial environment. In addition, the AHP method should be adopted to build the evaluation index system of college students' entrepreneurial ability.