The invention relates to a 3G network communication magnetic conductance water meter and management system, which includes an electromagnetic flow metering water meter, a wireless communication device, a water volume photoelectric sensor, a water quality sensor, a water pressure sensor, a water level sensor, a singlechip and a business center domain server, wherein the wireless communication device, the water volume photoelectric sensor, the water quality sensor, the water pressure sensor, the water level sensor and the singlechip are all fixed inside the electromagnetic flow counting water meter; the water volume photoelectric sensor, the water quality sensor, the water pressure sensor and the water level sensor are connected with the singlechip respectively; the singlechip is connected with the wireless communication device; and the wireless communication device is connected with the business center domain server through a GPRS network. According to the invention, the water metering wireless remote transmission single water meter is not directly contacted with water flow, thereby avoiding head loss; part abrasion and metering precision drifting can be avoided, the precision is high, the precision is accurate, the mounting and operation are simple and convenient, water volume, water quality, water pressure and water level can be monitored, and monitoring, billing and management based on various water parameters can be realized.