Mobile learning is a hot topic and popular around the world. Many tertiary students involve in mobile learning while they are studying and they will use online resources of the internet to finish their assignments. As mobile learning has numerous benefits, it is hoped that we should study students' perceptions towards mobile learning more if we want to promote mobile learning further in the future. In order to further investigate mobile learning in tertiary education, a questionnaire was set up to collect data from students studying in Hong Kong and outside Hong Kong.