Painful lifting of the arm may be caused by scapula fracture, frozen shoulder, rotator cuff injury and other conditions. 1. Scapular fracture: it is usually caused by direct or indirect violence, and is also related to osteoporosis, participation in strong antagonistic sports and other factors. Patients often have symptoms of pain and swelling in the scapula area, and the pain will be aggravated with muscle pulling, which is also manifested as pain when lifting the arm. 2. Frozen shoulder: it is mostly considered to be caused by soft tissue degeneration, long-term over-exercise, acute contusion of the shoulder, cervical spondylosis, etc., and it is also related to factors such as being cold and often lifting heavy objects. Patients often have pain around the shoulder joint, limited joint movement and other symptoms, which can also appear in the case of arm lifting pain. 3. Rotator cuff injury: most of them are related to indirect violence, and also related to factors such as lifting and pulling heavy objects, wrestling, degenerative changes, chronic strain, etc., and the incidence is higher in athletes who are mainly involved in upper limb sports and impulses. Patients often experience shoulder pain, swelling in the shoulder joint area, limited shoulder joint movement, and some patients may also experience pain when lifting their arms. In addition to the above factors, it is also considered to be related to sprains, tennis elbow and other conditions, and it is recommended that the patient consult a doctor in time to clarify the cause of the disease and then carry out targeted treatment.