Elderly people with arm pain need to be alert to cervical spondylosis, frozen shoulder, coronary heart disease, etc., but may not be caused by disease pain. 1. Cervical spondylosis: Bone spurs in the cervical spine, herniated intervertebral discs and other degenerative lesions can compress the spinal cord or nerve roots, leading to arm pain and other symptoms, which may also be accompanied by dizziness and headache, numbness and pain in the shoulders and neck. 2. Frozen shoulder: Frozen shoulder can be caused by degenerative lesions of tissues, chronic injuries arising from long-term over-activity of joints and poor postures, etc. It is more common in elderly patients, and it can cause pain in shoulder joints, restriction of activities, and in severe cases, the pain can be extended to the upper arm. 3. Coronary heart disease: hypertension, hyperlipidemia, diabetes, etc. can induce the occurrence of coronary heart disease, so that myocardial ischemia, with chest pain as the main manifestation, but may also be due to the stimulation of the heart’s nerves and the emergence of the left shoulder, arm of the radiating pain and so on. Elderly patients with arm pain may also be caused by overexertion or cold stimulation, etc. The specific cause of the disease needs to be examined in the hospital to be clear, and the cause of the disease is clear, follow the doctor’s instructions for targeted treatment.