A fluid pressure cylinder includes a piston, which is slidably accommodated within a cylinder tube, a hollow piston rod, which is coupled to the above piston, a stopper rod, of which base end is attached to the above head cover so that the location thereof can be adjusted and of which front end is elongated toward within the cylinder tube and passing through a central hole of the above piston and being fitted within the hollow portion of the piston rod and a stopper portion, which is attached to a front end of the above stopper rod and is engaged from the inside of the piston rod to an engaging portion around the above central hole of the above piston at a forwarding stroke end of the above piston.