Mobile payment has emerged as a new payment option for both consumers and businesses, a result of the rapid progress of mobile technology. When compared to traditional cash and/or ATM card transactions, mobile payment services can benefit consumers and businesses by providing a convenient, simple, secure, and quick way to conduct financial transactions. This study investigates what drives consumer'self-disclosure in mobile payments in China. This study explores how internal structure (consumer's cognitive trust and consumer's emotional trust) and external structure driving force (technology anxiety and social pressure) can influence perceived benefits of mobile payment and consumer's self-disclosure in mobile payment. The result shows that the perceived benefits of mobile payment have a significant relationship with consumers'self-disclosure of mobile payment. Moreover,there is a significant effect between the consumer's emotional trust and perceived benefits of mobile payment. A total of 202 qualified responses from the questionnaire were analysed using PLS-SEM. This study enlightens mobile payment providers to understand factors affecting consumer's self-disclosure in China, which can assist in enhancing and improving the marketing strategies.