PURPOSE: A fluid ended bush is provided to increase the driving stability of a vehicle by reducing the vibration of the vehicle. CONSTITUTION: A valve unit(20) of the fluid ended bush comprises a housing(21), a rod(27), a valve plate(31), a movable plate(35), and a first spring(37). The housing is installed to the outer pipe(3) of inner circumference, and has a hole interlinking a chamber(11) and a hydraulic way(23). The rod is respectively connected to a groove(9) and the inner circumference of outer pipe. The valve plate is fixed both sides of the center face of the inner wall of the housing through the load. The movable plate is movably-installed between inner circumference of the outer pipe and the valve plate. The first spring is respectively installed to the valve plate and the movable plate.