Social Media users tend to post and share things they care about, such as news, social issues, and users in different regions could have different concerns that lead to some difference of things which be giving attention to. The purpose of this research is to observe and analyze users' behaviors on social media (in this research, Facebook) and see how and what issues the users having attention through visualized presentation by integrating with Geographic Information System. Based on Police Agency statistic result, 19 types of crime events are confirmed and collected data will be classified by crime-classification dictionary defined by ourselves in order to increase the power of classification. The research method is designed and research plan is organized.