Smart gas IC card prepaid solution integrates IC card smart gas meters, revenue management platforms, self-service gas purchase platforms, payment platforms, and self-service gas purchase terminal equipment. The solution uses mature and stable IC card prepaid smart gas meters, diversified payment methods (bank, mobile APP, Alipay, WeChat), and safe and efficient self-service terminal equipment (banks, supermarkets, properties, etc. can be installed) to realize the operation and management mode of gas prepaid, solve the problem of gas company stock and incremental IC card users' last mile payment, improve the management efficiency of gas companies, save operating costs Improve the level of informatization.