The arthroscopic treatment may prove to be the desirable method, but this arthroscopic technique cannot be appliable to all surgeons and all patients, It should be determined on the base of type of lesion, effectiveness of arthroscopic procedure, and the surgeon's skill. The Key to an excellent result in arthroscopic treatment of rotator cuff lesion is doing a proper diagnosis, well-established arthroscopic technique and following through a well-designed rehabilitation program.