Abstract Instant Messenger has become one of the most popular software among juvenile and almost can not be parted from their lives. This research would like to probe deeper into the significance of Messenger in those minority families which are marginalized by the whole society. Therefore, this research takes the minority juvenile, being less social welfare distributed, as the subject, through fundamental interviews of cases, to have an understanding of these juvenile¡¦s using Messenger and Messenger¡¦s significance in their daily lives. This research presents in two ways: one is through story narration providing ample information and clues to achieve an overall understanding; second is to analyze. Aiming at the purpose, divided into the form of relation-establishing and the motive and mechanism of interrelation to analyze the phenomenon of using Messenger. The research finds that these juvenile mostly come from a minority family, such as grand parenting. They lack parental care, get lower grades and cannot get identified by the teachers. As a result, they are depressed in real life. In addition, these juvenile use Messenger in different and distinctive ways from others. Which include : a good means of ¡§calling together¡¨ ¡V to call friends and fellows into group fight; a stealthy way of running away from home ¡V to use Messenger for preparation of running away from home; ¡§group¡¨ ¡V to communicate in an utmost speed; ¡§E generation affaire d¡¦amour¡¨ ¡V Messenger becomes a tool for developing affaire d¡¦amour; a secret means of interconnection; pressure releasing ¡V to release pressure from life through chatting with friends in Messenger; to generate self-identification through using Messenger. For these frustrated juvenile who come from minority families and can not get satisfaction from school and society, Messenger is a bigger inducement. Therefore, the society, their parents and teachers should pay more concern and care to these minority group of juvenile.