Left shoulder pain can not be lifted, this situation is mainly due to two reasons. 1, it is possible that the left shoulder joint position, deltoid and supraspinatus muscles have a strain, when carrying out shoulder lifting initiative to lift, there will often be obvious pain, if let others lift, the pain is not obvious. It is important to keep the above two muscles in a fully relaxed state of rest, and it is best to carry out forearm suspension, which can effectively promote the healing of the injured position and avoid further aggravation of the strain. 2. It may be due to adhesions in the left shoulder joint position, after the formation of adhesions, whether it is actively lifting the arm or having someone else lift the arm, there will be pain in the shoulder area, and it is best to go to the hospital for massage Treatment. It is best to go to the hospital for acupressure treatment. It is effective in peeling off the adhesions by flicking them, which helps to loosen the adhesions. Infrared therapy can effectively relax the muscles, increase blood circulation and promote the metabolism of inflammation, effectively relieving the symptoms of shoulder pain, and it is important to perform functional exercises for the shoulder joint after returning home to prevent adhesions again.