Abstract:The “Internet +” teaching is a novel teaching system based on internet infrastructure and innovation elements. In order to explore the auxiliary roles of smart phones in the teaching of courses such as Food Microbiology and Food Microbiology Experiment, the application of smart phone in blended teaching was carried out in this study. The practice was conducted based on the analyses of the potential application of smart phones in teaching and the use habits of contemporary college students. The results indicated that the powerful functions and services of smart phones make the mobile learning possible in practice, which is conducive to the timely transmission of information, facilitates the explanation for questions arisen from students, increases the interaction between teachers and students, improves students’ learning driving force, and helps to obtain comprehensive and timely feedback and evaluation of teaching from students. Smart phones can become an effective tool to improve the effect of “teaching” and “learning”.