A portable large-flow pump station device comprises a hydraulic control system and a pneumatic control system. In the hydraulic control system, water is divided into two channels after flowing through a liquid inlet, a ball valve, a pneumatic operated directional valve, an automatic emulsion proportioning instrument and a one-way valve, the first channel of water directly flows into a hydraulic prop via a pneumatic operated switch handle and a three-purpose valve, and the second channel of water flows through a pressure intensifier controlled by a pilot operated directional control valve, and then flows into the hydraulic prop via the pneumatic operated switch handle and the three-purpose valve. In the pneumatic control system, after compressed air flows through an air inlet opening, one channel of the compressed air enters the pressure intensifier via the pilot operated directional control valve, and the other channel of the compressed air enters the pneumatic operated directional valve via the pneumatic operated switch handle. The portable large-flow pump station device is light in weight and convenient to use and maintain, workload of underground coal mine temporary supports is reduced effectively, and construction and production costs are reduced; and the efficiency is high, when in no load, low-pressure and large-flow emulsion is provided to enable the portable large-flow pump station device to act quickly and effectively, when in load, the portable large-flow pump station device is switched on, construction speed is increased, and moreover, the portable large-flow pump station device is high in safety, is energy-saving and environment-friendly, and has a wide application prospect.