Hydraulic station is a hydraulic source device consisting of hydraulic pump, engine, oil tank, control valve, quick coupler, etc. or a hydraulic device including control valve. According to the flow direction, pressure and flow rate required by the driving device, it is suitable for all kinds of machines where the driving device is separated from the hydraulic station. By connecting the hydraulic station with the driving device (oil cylinder or motor) by oil pipes, the hydraulic system can realize all kinds of specified actions.