Rehabilitation training after shoulder arthroscopy includes early rehabilitation, medium-term rehabilitation and final rehabilitation. 1. Early rehabilitation: early protective training can be carried out, and patients can be instructed to carry out passive activity training, wrist and elbow flexion and extension, forearm rotation, handgrip and other training; passive enhancement of limb joint mobility (ROM) training, including forward flexion, abduction and so on. 2. Intermediate rehabilitation: In the middle stage, muscle strength training can be carried out, such as shoulder ladder exercises and pulley exercises; active limb joint mobility training, with increased intensity compared with the previous stage. 3. Final rehabilitation: in the final stage, it is necessary to strengthen the strength, muscle and nerve recovery, with the help of dumbbell bench to carry out muscle strength training; shoulder capsule pulling training at the table, door, and then gradually increase the training intensity. According to the patient’s recovery situation, the amount of flexibility exercises and strength exercises should be increased appropriately. Rehabilitation training after shoulder arthroscopy is recommended to be carried out under the guidance of doctors or therapists to avoid delaying the condition.