The entity of " Rotator cuff tears " describes a condition in which there is an acute orChronic cuff tear whether this tear is partial or full –thickness and is associated withRestricted painful shoulder montion .The goal of treatment is to restore comfort . motion. Strength & stability of theShoulder .Many options were suggested to treat the condition but none of them successeded toReach the expected satisfying results .The arthroscope successeded to regain a functional range of motion with considerablePain relieve in the cases of full – thickness rotator cuff tears also did the reversedShoulder prosthesis in the cases of rotator caff arthropathy.