Electronic parking brake system

The utility model provides an electronic parking brake system. The electronic parking brake system comprises a switch module, a first control module, a second control module which is connected with the first control module, a monitoring module, a driving module and a power module; the power module provides electric energy for the switch module, the first control module, the second control module, the monitoring module and the driving module; the first control module outputs a first control signal according to the operation of a user on the switch module and outputs a state signal; the monitoring module performs judgment according to the state signal of the first control module, and outputs a fault signal when the first control module is failed; the second control module controls the first control module to stop working when receiving the fault signal of the monitoring module and outputs a second control signal according to the operation of the user on the switch module; and the driving module drives a motor to work according to the first control signal or the second control signal. The electronic parking brake system can improve the safety and reliability of the vehicle.