The common clinical causes of arm lifting and shoulder pain include frozen shoulder, rotator cuff injury, cervical spondylosis and so on. 1. Frozen shoulder: this disease refers to a kind of self-limiting aseptic inflammation of soft tissues around the shoulder joint for unknown reasons, which is the result of the joint capsule fibrosis and synovitis in the shoulder joint area, and the clinical manifestations include shoulder joint pain, stiffness, and difficulty in lifting the arm. 2. Rotator cuff injury: this disease is the most common cause of shoulder dysfunction and shoulder pain, which often occurs in swimming, weight lifting, racket sports and other repetitive activities of extreme abduction of the shoulder joint, with clinical symptoms such as anterior and posterior shoulder pain, nocturnal pain, back pain, difficulty in lifting, and so on. 3. Cervical spondylosis: this disease is a clinical syndrome arising from degenerative lesions of the cervical spine, cervical spine strain, osteophytes, disc prolapse, etc. will cause cervical spinal cord, nerve roots, vertebral artery compression, resulting in cervical and back stiffness, pain, and radiating pain in the upper limbs and other symptoms. Lifting the arm and shoulder pain may also have other causes, it is recommended that the relevant patients seek medical examination in a timely manner to clarify the cause of the disease and targeted treatment.