The invention provides an active-passive hybrid control type hydraulic four-linkage rod prosthetic knee joint. The active-passive hybrid control type hydraulic four-linkage rod prosthetic knee joint comprises a hydraulic damper, an outer casing of the damper, a shank support part, a thigh support part, a four-linkage rod mechanism and an active drive motor assembly, wherein the hydraulic damper isprovided with a cylinder body, a steel coat, a cylinder cover, a piston rod, a piston, a spring push block, an extending-assisting spring, a spring casing, an adjusting seat, an axial adjusting valvebody, a stopper and a stepping motor; the outer casing of the damper is arranged at the exterior of the hydraulic damper; the shank support part is fixedly connected with the bottom part of the outercasing of the damper; a connecting rod fixing part is fixedly arranged at the thigh support part, and is pivoted with a connecting rod, and the other end of the connecting rod is pivoted with the piston rod; the four-linkage rod mechanism is provided with an upper linkage rod, a lower linkage rod, a front linkage rod and a back linkage rod, the upper linkage rod is integrated at the lower end ofthe thigh support part, the lower linkage rod is integrated at the upper end of the outer casing of the damper, and the front linkage rod and the back linkage rod are used for connecting the thigh support par and the outer casing of the damper; the active drive motor assembly is provided with a direct current motor, a magnetic powder clutch and a gear reduction gearbox, the direct current motor isfixedly arranged at the upper end of the thigh support part, the magnetic powder clutch is connected with the direct current motor, and the gear reduction box is connected with the magnetic powder clutch.