Junior high school children with headaches, may be related to lack of sleep, may also be due to autonomic dysfunction, sinusitis and other causes. 1. Lack of sleep: junior high school children, especially junior high school children, due to the heavy burden of study, often stay up late to study, resulting in insufficient sleep, resulting in the brain and the body did not get enough rest, there may be headache symptoms, but also accompanied by mental lethargy, weakness and other manifestations. 2. Autonomic nervous system dysfunction: children in junior high school who are under greater mental stress and in a state of excessive anxiety for a long time can easily lead to autonomic nervous system dysfunction, resulting in dysregulation of the autonomic nervous system, which may cause headaches, accompanied by dizziness, insomnia and other manifestations. 3. Sinusitis: junior high school children if repeated colds, easily induced sinusitis, due to the presence of inflammation in the sinus area, under the stimulating effect of inflammation, resulting in an increase in nasal secretions, resulting in the nose ventilation is not smooth, resulting in the lack of oxygen to the brain, may cause headaches, can be accompanied by nasal congestion, running nose, etc. performance. Junior high school children headache, may also be caused by other reasons, it is recommended to consult a doctor as soon as possible, to clarify the causes, give targeted treatment.