The invention discloses a jet manned aerial vehicle, comprising a flight seat, two elastic buffer racks, four main propelling rockets, an armrest, an operating handle, two side flight systems, a rear turbojet engine, and a battery; the two elastic buffer racks are mounted symmetrically on the lower portion of the flight seat, the four main propelling rockets are mounted on the lower portion of the flight seat, the side flight systems are mounted symmetrically on two sides of the flight seat respectively, large parallel plates are mounted on the lateral side of the flight seat, one sides of upper and lower hinging plates are hinged to the large parallel plates respectively, the other sides of the upper and lower hinging plates are hinged to small parallel plates respectively, the small parallel plates and the large parallel plates are parallel to each other, cylinder block ends of hinging plate adjusting cylinders are hinged to the lower portions of the large parallel plates, and a piston rod end of an engine adjusting cylinder is hinged to the side turbojet engine. By providing the multi-angle adjustable flight system, flight is free and simple; the jet manned aerial vehicle is simple in structure and convenient to operate.