The treatment of arm ligament strain includes braking and functional exercise, the details are as follows: 1, braking: plaster or brace should be used for braking, and during the braking period, the elbow joint should be placed in front of the chest and suspended, which is conducive to the recession of the limb swelling and the return of venous blood, and the fixation time is generally about one month; 2, functional exercise: the external fixation can be removed in one month, and gradually start to Functional exercise, including elbow flexion function, extension function, rotation function exercise, generally to remove the external fixation within one month after the joint function to the normal level, if the pain refuses to exercise, it will cause stiffness of the joints, but also cause muscle atrophy, which will make the later functional limitations.