Small children cervical spine acid, may be related to long-term improper posture, may also be due to external factors, cervical spondylosis and other reasons. 1. Long-term improper posture: if the child in the ordinary course of writing homework, watching TV or playing cell phones, long time to maintain the improper posture, resulting in the neck muscles for a long time in the state of excessive tension, may cause cervical spine acid, but also can be accompanied by neck muscle pain and other symptoms. 2. External factors: due to accidents, the neck is hit by external forces, resulting in localized muscle injury of the cervical spine, which may cause cervical spine acid, and may be accompanied by symptoms such as swelling and pain in the neck. 3. Cervical spondylosis: some children due to a long time low head to play cell phone, or sleep at night often pillow too high pillow, etc., may induce cervical spondylosis, which may cause cervical spine acid, can also be accompanied by dizziness, headache and other symptoms. Children cervical spine acid, may also be other causes, it is recommended to seek medical treatment as soon as possible, after a clear diagnosis of the cause, to give targeted treatment.