1. From the management point of view, IC card smart water meter has these bright basic functions. Statistical function, arrearage function, basic water quantity and water management setting function, one household one card function, recharge card function, traditional ordinary water meter need to send a special person to visit regularly to collect water fees. The workload is heavy, which brings a lot of inconvenience to water supply management of hydraulic company. If the meter reading is not timely and long-distance, it will run several kilometers to copy a water meter, resulting in high cost; the data return is not timely, which is not conducive to the return of funds to the hydraulic company; manual meter reading needs to wait for users at home or need to knock on the door to enter the room, which easily disturbs users'lives. Community IC card intelligent water meter management system meets all the needs of the major hydraulic companies on the reform of water management, and achieves many functions such as self-purchasing water, water science fee collection, safety management, etc.