Arm meridian pain generally have two reasons: First, cervical spondylosis, that is, cervical disc herniation or cervical vertebrae position caused by cervical nerve compression caused by the cervical nerve compression, this pain is extremely intense, especially at night, many people have difficulty sleeping pain, there is a relatively simple method of identification is the neck crooked to the side is significantly aggravated by the treatment method can be the first to take painkillers, combined with the cervical spine traction treatment, if the pain is particularly severe and longer recommended to go to the hospital for examination. If the pain is particularly severe and longer time is recommended to go to the hospital for examination. Second, nerve compression of the arm, not only will produce symptoms of pain, but also accompanied by numbness, muscle weakness, and in the activities of the shoulder, elbow or wrist joint will aggravate this feeling, if there is numbness or muscle weakness must go to the hospital, because the nerve compression needs to be lifted as soon as possible, lifting the later the longer the time for nerve recovery.