Provided is a suspension system capable of adjusting the height of a vehicle in a short period of time. The suspension system comprises: a front wheel-side suspension and a rear wheel-side suspensionthat are provided between a vehicle body and vehicle wheels, and adjust the height of a vehicle in response to the supply and discharge of a working fluid; a pressurizing device that pressurizes the working fluid; and a first tank and a second tank that store working fluid pressurized by the pressurizing device. When lowering the height of a vehicle using the front wheel-side suspension and the rear wheel-side suspension, one of the front wheel-side suspension and the rear wheel-side suspension discharges the working fluid to the first tank, and the other of the front wheel-side suspension andthe rear wheel-side suspension discharges the working fluid to the inside of the second tank by means of the pressurizing device.