Cervical subluxation refers to the change and displacement of the relationship between vertebrae and vertebrae caused by different factors, also known as vertebral slippage, the main symptoms are as follows: 1, the position of the cervical vertebrae changes, the patient feels pain in the neck, cervical activities are limited due to pain; 2, cervical subluxation is serious, compression of nerves, cervical medulla can appear in the extremities of sensory loss, numbness, and even limb movement disorders and other neurological symptoms, serious can cause paraplegia, high cervical subluxation can seriously affect the respiratory and heartbeat functions, and even life-threatening.