There are many factors affecting the mobile learning of undergraduate students. This paper adopts the structure of close-ended and the Likert-Scale five-point measure questionnaire. We choose 300 undergraduate students as the respondents, and they all come from 4 universities in Chongqing. The result indicates: 1) Infrastructure construction of the mobile network in universities is very good, more than 70% of schools open the WIFI to all of the students; 2) The self-efficacy of mobile learning of undergraduate students is very high, more than 96% of the respondents use Mobile Phone to link to internet, and most of them think that they have the ability to use mobile devices and mobile learning; 3) Encouragements from teachers, classmates and friends are unsatisfactory, only 25.4% of the respondents agree with the item “The teacher has been encouraged me to use mobile learning” (10.3% strongly agree, 15.1% agree, M = 2.84); 4) The fee of using mobile devices should be decreased to meet students’ learning, only 19.5% of respondents agree with the item “The charge of using mobile devices is cheap for me” (4.4% strongly agree, 15.1% agree, M = 2.70).