Abstract:Nowadays mobile social media is an important reason for people using mobile phones, which also occupies the majority of the total using time .Of all the users,college students are the prominent group on using mobile social media .Mobile social media has exerted a variety of influence on college students' learning and daily life. This paper tries to start from the mobile social medial influence on contemporary college students, analyzing the impact type, thus reflecting on the media contact hehavior of this group.