Given the fact that WeChat has gradually replaced QQ，Renren and other social networking sites and become users’ primary choice for daily communication，emoticons circulated on WeChat have become popular among college students，which is the symbol of Internet communication. This research focused on college students and through questionnaire and in-depth interviews，the author found the following results based on the uses and gratifications in using WeChat emoticons：student groups use WeChat emoticons mainly due to psychological motivation of the three main reasons：the softening of tone of the chat，visual and vivid expression to the mood and emotion，active chat atmosphere and making the dialogue more interesting. The convenience of emoticons using is mainly for three reasons：free，independent collection and making，diversification of subdivided emoticons. The entertainment of emoticons using is mainly reflected in three aspects：to convey their own sense of humor，to share interesting emoticons，and to apply “large scale” emoticons among close friend. Gender，interactive objects，peer pressure，subculture preferences are the main factors that affect the emoticons uses and gratifications. Based on the factors above，ultimately formed the WeChat emoticons uses and gratifications model.