Subscapularis tendon injury with tear, i.e. rotator cuff injury with tear, its treatment needs to be carried out according to the scope and degree of tear, and its treatment includes conservative treatment and surgical treatment. 1. Conservative treatment: it is suitable for those who have minor rotator cuff injury with tear and no complete rupture, and the upper limb can be suspended at the early stage, usually for about 4~6 weeks, which can be combined with physical therapy such as massage, hot compress, acupuncture, etc., and non-steroidal anti-inflammatory drugs such as ibuprofen, nimesulide, etc. can also be used. It is also necessary to carry out functional training under the guidance of the doctor, such as finger wall climbing training, shoulder joint mobility training. 2. Surgery: It is suitable for those with serious rotator cuff tear and the function of shoulder joint is seriously affected, currently including arthroscopic surgery and open surgery, the specific operation should be determined according to the specific condition, after the operation, the upper limb still needs to be fixed and recuperated systematically, and appropriate functional training should be carried out under the guidance of doctor, avoiding premature activities. The above mentioned drugs should be used under doctor’s guidance. After rotator cuff injury with tear, it is necessary to consult a doctor as soon as possible to clarify the degree of injury and tear, and then actively receive targeted treatment to avoid delaying the condition.