Abstract：The rotator cuff is a group of tendon complexes around the humeral head，which is composed of the tendons of supraspinatus muscle， infraspinatus muscle， subscapularis muscle and teres minor muscle.It can not only maintain the pronation，supination and lifting activities of the shoulder joint，but also play an extremely important role in maintaining the stability and activity of the shoulder joint.The mechanism of rotator cuff injury may be related to ischemic degenerative lesions of shoulder joint，repeated impingement of acromion and abnormal biomechanical factors.The treatment can be divided into conservative treatment and surgical treatment.In recent years， there are various treatment methods for rotator cuff injury， which makes doctors and patients have more treatment options. This paper summarizes the clinical treatment of rotator cuff injury in recent 5 years，in order to provide basis for its clinical treatment.