In order to analyze the function and effect of intelligent teaching system in classroom teaching reform,the study collects data with questionnaire survey method.The research objects includes students of different grades,and the questionnaire includes four dimensions:teaching efficiency,teaching resources,classroom interaction and learning experience.The reliability test shows that all dimensions have high internal consistency.Results of descriptive statistics reflect the positive effects of intelligent teaching system in improving teaching efficiency,enriching teaching resources,enhancing classroom interaction,and improving learning experience.Weight analysis shows that teaching resources and classroom interaction are more important.Results of Chi-square show that there is no significant difference in the evaluation of different grades.Intelligent teaching system has wide applicability.It is suggested for colleges and universities to comprehensively promote and optimize the intelligent teaching system,and promote the relevant training and technical support for teachers,so as to exert the maximum efficiency in the education reform.