Su Xin card is a financial IC card with PBOC3. 0 standard, which contains chips and cannot be cloned, and its security is much higher than that of magnetic stripe cards. It is the realization form of the application of financial ic card in Wuxi public transportation field, and it is not limited to regions and card-issuing banks, and truly realizes the national universal electronic cash function of financial IC card, which is developed and shared by all banking financial institutions.