Cervical spondylosis can be aggravated by exposure to cold for the following reasons: 1. After exposure to cold, it can cause muscle contraction, and muscle contraction can aggravate muscle spasm and pain and increase the exudation of inflammatory substances. It is easy to make the blood vessels constrict, so that the nerve stimulation, cervical spondylosis will produce insufficient blood supply, itself cervical spondylosis cervical hyperplasia, nucleus pulposus compression may affect the vascular blood supply, damaged blood vessels in the cold after more spasm, will cause insufficient blood supply, and even cause severe transient insufficient blood supply, dizziness aggravated; and stimulation of nerves also cause hand numbness, panic, dizziness, etc. aggravated. So it is more important to keep the neck warm for patients with cervical spondylosis, and also to avoid strain and cold, which can easily aggravate the condition after muscle weakness due to cold.