E-banking service has been developed widely in China. This paper explores the impacts of interface factors of e-banking service on user’s trust. A qualitative research was conducted to detect the factors. Ten participants were asked to read the standard instructions on given papers, and then he or she should finish the transferring task on PC and phone. Based on the observation and interviews, 20 factors of eight categories (Avoiding Disturbance, Contents Entering, Instant Feedback, Less Decisions, Meeting Assumption, Offering Affirmations, Promise Fulfillment and Strict Information) on sense of trust were summarized. And seven significant factors were picked up for detailed discussing.