An electronic ticket system using financial account certificates as the basis for ticket check and a method thereof can offer safe and convenient ticket booking service, ticket checking service, ticket returning service, loss reporting and registration service and self-help antifraud reimbursement bill printing service, can be applied to online payment and authentication of various transactions and online appointments of other services such as ticket booking/checking service, guest room reservation service, online order of catering service, membership consumption service of business organizations, diagnosis and treat service and online registration of hospitals, and the like. The electronic ticket system and the method thereof are characterized in that firstly, the financial account certificate is used as the basis for ticket check; secondly, the system comprises a financial account certificate, a financial service provider online payment system, a financial customer information database, an online ticket booking system, a ticket transaction recording database, a ticket sale business ticket management system, a ticket database, an electronic ticket client information database, a ticket checking device and a financial service provider ATM machine; and thirdly, a varied and transformed ticket pickup machine which issues special ticket check basis correspondingly according to the financial account certificate is derived in the system.