A child’s headache may have physiological and pathological (heart disease, hypertension, etc.) causes when there is a strenuous exercise. 1. Physiological reasons: physiological situation, in strenuous exercise, the body’s blood flow rate is accelerated, the brain’s blood flow rate is also accelerated, the brain’s blood flow perfusion is relatively reduced, will cause a slight headache symptoms, is a normal physiological phenomenon. 2. Pathological causes: pathological conditions, pay attention to whether the patient’s blood pressure rises sharply during exercise, if the blood pressure rises sharply, the patient can not do strenuous exercise. Because the state of high blood pressure caused by strenuous exercise will lead to head pain, life-threatening. There is also the possibility of heart disease, exercise caused by insufficient cardiac output, resulting in hypoxia and ischemia headache in the brain. Children feel headache need to go to the hospital as soon as possible to confirm the diagnosis, standardized treatment under the guidance of medical advice. Children pay attention to usually drink more water, pay attention to the usual maintenance, diet should be light, keep a relaxed mood.