The aims of the study,(1)examines the links between empathy,situation safety to helping behavior,and(2)explores the moderating role of interpersonal trust on the relationship between empathy,situation safety and help behavior,based on the interpersonal trust moderation model(Dirk,Ferrin,2001).The study used vignette experiment,and 234 undergraduates completed questionnaire.The results indicate the participants in helping situation have both prosocial motivation and proself motivation.Empathy and situation safety both have significant infl...