Abstract: As one of the popular social media, we-chat has got the attention of many scholars, but previous studies focused more on the ontology, function and application of we-chat The impact of we-chat using on contextual performance and the mediating effects of communication quality, work interruption and trust in the process are discussed The results show that we-chat using is significantly correlated with contextual performance and its two dimensions (interpersonal promotion and job dedication)It also shows that communication quality and trust mediate the relationship between we-chat using and contextual performance

Key words: we-chat using, contextual performance, communication quality, work interruption