The utility model discloses a by jet rose system, the pump body with draw the stranded efflux jet pump who penetrates the pipeline section barrel and constitute, it is high to aim at providing a transmission energy efficiency, can reduce the efflux jet pump of pump body size. The utility model discloses a following technical scheme realizes: in the jet rose system, the multiinjector of jet pump is arranged along the circumferencial direction circle battle array of entry cylinder (5) of the pump body (3), and the mouth body head of nozzle be streamlined, and the nozzle is that the system has a streamlined nozzle of step cylindrical (6), and porous circle battle array nozzle (1) passes through the pump body (3) radial inlet cylinder, through radial inlet downthehole put sealing washer (2) stretching into the pump chamber of the pump body (3) intercommunication draws to be penetrated drawing of pipeline section (4) and penetrates the choke passageway, through suction of the tubaeform diffuser suction chamber of gradual change and dispatch fluid.