Research shows that third-party payment service in convenient stores still remain 78% though there are diverse payment methods for roadside parking in New Taipei City. On the basis of telephone-based survey for New Taipei City inhabitants, only 33% respondents comprehend parking fee can be paid via mobile. Among these, only 6.2% have employed mobile as payment method suggests that increasing media coverage is required for mobile payment policy of New Taipei City. Major reason for respondents not applying mobile payment since there’s no compulsive need. Adoption intention and usage rate can be raised by providing more effortless and convenient operation method, more promotions and information security guaranteed from government or mobile payment companies. Therefore, New Taipei City mobile payment cooperating companies could combine other campaigns targeting vehicle group and offer more promotions for appointed license plate numbers so that the application of new users and stickiness of original users can be increased.