The invention discloses a parking timing charging system with a parking space lock. The system comprises a parking management central server, a parking timing charging device, and a parking space lock which is laid at a corresponding parking space and used for locking a vehicle at the parking space; the parking timing charging device comprises a casing a communication module, a microprocessing unit connected with the communication module, a power supply module for supplying working energy to each module, and a payment module arranged on the casing; the parking timing charging device further comprises a detection module which is connected with the microprocessing unit and used for detecting signals of vehicles at the parking space, and a parking space lock control module which is connectedwith the microprocessing unit and used for controlling the working of the parking space lock. By the parking timing charging system with the parking space lock, the income of the parking space is greatly increased, the management difficulty of the parking space is reduced, and the anti-theft property of the vehicles at the parking space is improved.