Recently, the People's Bank of China released the overall operation of the payment system in 2022. Statistical data shows that the national payment system operates smoothly, with overall growth in the number of bank accounts, non cash payment business volume, and payment system business volume. The payment system is the central hub for fund circulation and the infrastructure for high-quality economic and social development. The importance of building a safe, efficient, convenient, and internationally leading payment system is self-evident. "said Ma Tianjiao, a researcher at the Bank of China Research Institute. The overall operation of the payment system highlights that China is accelerating the construction of a safe, convenient, and efficient payment system to promote the rapid development of the real economy. In 2022, the payment system processed a total of 1.06 trillion payment transactions, with a total amount of 10877.24 trillion yuan, a year-on-year increase of 13.85% and 15.09%, respectively. Overall, the characteristics of the overall operation of the payment system in 2022 include the following two points: first, a slight increase in the number of bank accounts. As of the end of 2022, a total of 14.167 billion bank accounts were opened nationwide, a year-on-year increase of 3.68%. The second is the transition from non cash business to stock management, including bank card, electronic payment and other businesses. In 2022, banks nationwide handled a total of 462.649 billion non cash payment transactions, with a total amount of 4805.77 trillion yuan, a year-on-year increase of 5.27% and 8.84%, respectively. It is worth noting that China's credit card industry has shifted from a high-speed growth model to a high-quality development model. From 2017 to 2019, the credit card business grew rapidly, with an average annual increase of over 8% in the number of cards issued. The number of credit cards remained stable in 2021 and 2022, with a per capita holding of 0.57 cards, indicating that the extensive expansion model is nearing its end. At present, regulatory authorities are actively promoting the transformation and upgrading of credit card business. In July 2022, the China Banking and Insurance Regulatory Commission and the People's Bank of China issued a notice on further promoting the standardized and healthy development of credit card business, proposing to strengthen the management of credit card business operations, strictly regulate card issuance marketing behavior, strictly manage credit management and risk control, and strictly control fund flow, aiming to effectively rectify the chaos of credit card business, Improve the quality and efficiency of credit card services. "Commercial banks actively explore the path of Digital transformation, rely on customer information databases and artificial intelligence, screen high-quality customers for precise marketing, and achieve intelligent credit management. At the beginning of this year, more than 30 commercial banks have successively issued announcements to reduce, disable, or cancel long-term sleep credit cards in stages." Ma Tianjiao said that at present, credit card business transformation has achieved results, The optimization of epidemic prevention and control policies has boosted consumer willingness and expectations, improved residents' repayment ability and willingness, decreased the growth rate of non-performing credit card balances, and the non-performing rate has remained basically stable. As of the end of 2022, the total outstanding credit for credit cards overdue for six months was 86.58 billion yuan, accounting for 1% of the credit card payable balance. The year-on-year growth rate decreased from 2.59% in 2021 to 0.63%. With the rapid development of financial technology, the scale of payment transactions in China is gradually expanding, and the operational efficiency of the payment system is constantly improving. In 2022, banks processed a total of 2789.6 electronic payment services