The invention relates to a jet-flow vacuum sewerage system, which comprises a sewerage body, a jet-flow vacuum device and a controller, wherein a water supply pipeline is arranged on the sewerage body; a first solenoid valve is arranged on the water supply pipeline; the jet-flow vacuum device is arranged on the output end of the sewerage body; the controller is electrically connected with the first solenoid valve and the jet-flow vacuum device. The jet-flow vacuum sewerage system provided by the invention has the beneficial effects that the high-efficient sewerage effect can be achieved by using a small amount of water through adopting an instant local vacuum negative pressure environment, and in addition, the system is small in size, convenient to install, simple to operate, lower in manufacturing and maintenance cost, and higher in applicability.