A partial tear of the subscapularis tendon is a partial rotator cuff tear, and the need for surgery depends on the extent of the tear, the timing of the tear, and the extent of the tear. The treatment of rotator cuff tear includes non-surgical treatment and surgical treatment. 1. Non-surgical treatment: It is suitable for early edema and bleeding of rotator cuff, especially within 3 months after injury. Elderly patients with partial rotator cuff tear, complete tear who are not willing to accept surgical treatment or with more underlying diseases and obvious contraindications to surgery can be treated with analgesia, hemostasis, dehydration and other treatments, and at the same time, under the guidance of the doctor, cooperate with local closed injections and physical therapy. 2. Surgery: If the strict conservative treatment is ineffective, surgery should be considered. Surgery is applicable to complete rotator cuff tear and partial tear of rotator cuff which is not satisfied with conservative treatment. The common surgical procedure is arthroscopic rotator cuff repair. If the rotator cuff tear is huge and unrepairable, it can be replaced by reverse shoulder arthroplasty. Rotator cuff injury is a common injury in clinic, once occurred, should go to the hospital in time, under the guidance of professional doctors for diagnosis and treatment.