The invention is a smart campus system and relates to the field of network technology. The smart campus system of the invention includes an attendance positioning subsystem, a heart rate monitoring subsystem, a sleep analysis subsystem, a motion analysis subsystem, a mobile payment subsystem, an environment monitoring subsystem, and a campus application subsystem, which are connected with a campuscenter management system through the network. The attendance positioning subsystem includes a personnel positioning module, a campus attendance module, an RFID sign-in module, and a Bluetooth sign-inmodule. The heart rate monitoring subsystem includes a heart rate monitoring module, a heart rate analysis module, and a health early warning module. The sleep analysis subsystem includes a sleep molecular module and a sleep aid module. The motion analysis subsystem includes a step count statistics module, a riding statistics module, a running statistics module, and a motion trajectory module. The mobile payment subsystem includes an intelligent traffic module, a cafeteria consumption module, a merchant consumption module, and a UnionPay sub card module.