There are about 75%（or 25%）respondents expressed he would（or not）like to discuss the rumor which he heard lately in the survey of rumor transmission intention of college student in Beijing. The reasons for discussing rumor are “communication and entertainment” “relevance” “seeking truth” and so on. The reasons for refusing to discuss rumor are “irrelevance” “trustless” “too erotic” and so on. Among the rumors from respondents，about 60% rumors are negative；about 8% rumors are positive；more than half of rumors were perceived violent，disgusting，hostile to official，relevant to leader，discriminatory towards others（e.g. immigrant，some race，people with other religion），selfish or professional；about 80% rumors were refuted，but less than 30% sources of rebuttal were perceived professional；about 70% rumors were perceived relevant to emergency，transmitting may be punished or relevant to safety and health；about 60% rumors were perceived inflammatory or altruistic. The results from statistical analysis of data of transmission intention and perception of rumor indicated that：（1）Relevancy between rumor and safety/health，popularity of subject in rumor，type of rumor are three linear positive and significant predictors of rumor transmission intention. （2）If rumor is perceived professional and funny，probability of it is discussed will be highest（94%）；if rumor is perceived nonprofessional and professional degree of source at low level，probability of it is discussed will be lowest（51.6%）. （3）Rumor transmission intention varied with level of disgust，funny，pornography，popularity of rebutter，hierarchy of leader，profession or selfish in negative quadratic model respectively. （4）Rumor transmission intention varied with level of resentment against officials or violence in positive quadratic model respectively.