Arm pain and numbness caused by cervical spondylosis are mainly caused by nerve root type cervical spondylosis, as the nerves in the neck are compressed by cervical discs or hook joint hyperplasia and small joint hyperplasia, the treatment methods are as follows: 1. dehydration treatment, i.e. intravenous dehydration treatment; 2. selective cervical nerve root block can be done; 3. minimally invasive treatment of cervical discs can be taken to achieve the purpose of treatment; 4. in addition to the above treatment, acupuncture, physiotherapy and functional exercise can also be performed to promote the recovery of the patient.