If the shoulder joint has rotator cuff tears or severe frozen shoulder or shoulder impingement syndrome, the symptoms of painful arm lifting can occur, especially when the arm is abducted, the limitation of movement is very obvious. Second, myofasciitis. Myofasciitis often starts with pain on the inner side of the scapula, which can radiate to the ipsilateral shoulder and upper limbs, resulting in numbness, weakness, and arm lifting dysfunction. Thirdly, cervical spondylosis, when severe cervical spondylosis compresses the nerve root, pain in the arm can appear, and there can be symptoms of arm lifting, and cervical spine X-ray and nuclear magnetic examination should be taken for early diagnosis and early treatment.