Trust was recognized as a significant factor in facilitating customers’ continuance intention of mobile payment. Drawing upon innovation diffusion and trust theory, this study developed a research model to examine five critical antecedents that promote customers’ trust in the mobile payment platform. An empirical survey was conducted in China and structural equation modelling method was used to examine the research model. 394 questionnaires were collected from users of Alipay, which is one of the largest mobile payment platforms in China. The analysis results suggest that security is the most significant antecedent of trust, followed by platform reputation. In addition, mobility and customization characteristics are also beneficial to promote customers’ trust in the mobile payment platform. While compatibility is directly associated with customers’ continuance intention without mediated by trust. Conclusions and future research directions are discussed in the final section.