The causes of cervical subluxation include cervical degeneration and slippage, cervical fracture and subluxation, etc. There may be neck pain, limited cervical activities, numbness and weakness of limbs, activity dysfunction or quadriplegia. 1. Cervical spine degeneration and slippage dislocation: slippage and dislocation caused by cervical spine degeneration, mild neck pain and stiffness, limited cervical spine activities, and severe slippage and compression of the nerves can appear limb numbness and weakness, unsteady walking, and so on. 2. Cervical vertebra fracture dislocation: trauma caused by cervical vertebra fracture dislocation, local pain, swelling, pain affecting neck rotation, flexion and extension activities, injury to the spinal cord may cause quadriplegia. Cervical vertebrae dislocation should go to the regular hospital in time, by the doctor according to the symptoms, signs and auxiliary examination to determine the condition, and give timely treatment for the condition.