The arm tendon is very painful to consider and trauma, inflammation, cervical spondylosis and other reasons related. It can be treated with general treatment, physical therapy, medication, surgery and other methods according to the cause of the disease. 1. Trauma: after arm tendon strain, tendon pain will occur due to inflammation of tendon injury. After the injury, you should pay attention to rest, you can immediately apply cold compress. If the pain is serious, it can be treated with non-steroidal anti-inflammatory analgesic drugs, such as diclofenac sodium. Rehabilitation exercises during the recovery period, usually about 2 to 3 weeks can be recovered. 2. Inflammation: for example, external epicondylitis of the humerus, long head of the biceps tendonitis, etc., is caused by the strain and inflammation of the tendon, which can also cause tendon pain. When pain occurs, rest should be taken care of and braking should be done if necessary. Non-steroidal anti-inflammatory and analgesic drugs can also be applied to treat the pain, as well as the use of tretinoin, lidocaine and other closed treatment. For the relief of pain can play a good effect. 3. Cervical spondylosis: When cervical spondylosis causes compression of the nerve root, it can also cause arm pain. In normal times, we should pay attention to develop a good posture. Nutritional nerve medication, such as methylcobalamin, can be applied. Oral non-steroidal anti-inflammatory drugs such as celecoxib can also be used. If the nerve compression is serious, it can also be treated surgically, such as anterior cervical spine surgery. When the arm tendon is very painful, you can go to the hospital to further identify the cause of the disease, and then targeted treatment. The above drugs need to be applied under the guidance of a physician.