High strength PE fibre rope have a light weight,good flexibility,and high breaking force,and were widely used in pulling,lifting and mooring.HSPE fibre rope is a potential substitute for conventional rope.The paper studied that the anti-fatigue performance of low-twist high-strength PE fibre rope,because the rope were use repeatedly.The results showed that the breaking force of PE-fibre rope increased substantially after the tensile fatigue test of loading-unloading.