The expansion and solidification of social mentality by distrust has derived the new media events. This paper chooses the Luo'er event as a sample to study the driving factors and the generating mechanism of the trust transmission in the network. The results show that the driving factors of trust transmission: contextual dependence, individual needs, stakeholder, group effect, legal system sound, bottom line trust-the six main categories. Based on the core factors of "uncertainty", the driving factors of trust transmission are further divided into dynamic factors and resistance factors, and th...