The strength of cervical traction varies according to different traction methods: first, occipito-mandibular traction, the main function is to brake, release the spasm of the cervical muscles, restore the normal alignment of the cervical intervertebral joints, so that the intervertebral foramen is drawn open, thus relieving the compression and stimulation of the nerve roots. Traction can be taken in sitting or lying position, it is appropriate to take the head slightly forward, the neck slightly forward flexion, cervical hyperextension traction can often aggravate the symptoms. Intermittent traction can be used for milder symptoms, and continuous traction is recommended for heavier symptoms, the weight of traction is 2-6kg, depending on the patient’s weight and condition, the weight is lighter at the beginning, and gradually increased later, 2-4 weeks as a course of treatment; secondly, prone traction, the patient is in prone or supine position, with a good occipital chin double ring traction set, the operator stands in front of the patient’s head, and gradually tracts the double ring with both hands to the required Traction force, that is, 10-50kg, traction time to be tolerated, 1-3 times a day, 30 days for a course of treatment.