Children with acute headache or chronic recurrent headache, accompanied by fever, frequent vomiting, unclear consciousness and other symptoms need to be alerted and attention. 1. Acute headache or chronic recurring headache: If the child has acute headache or chronic recurring headache, it is necessary to be alert to the possibility of head trauma, brain tumor, brain abscess, cerebral hematoma and other diseases, the above conditions can be headache, which can be accompanied by the clinical symptoms and manifestations of the corresponding diseases. 2. Accompanied by fever, frequent vomiting, unclear consciousness: It can be considered whether the child is suffering from meningoencephalitis (e.g. bacterial, viral, etc.), acute fever caused by various pathogenic microorganisms, etc., which can be accompanied by the clinical symptoms and manifestations of the corresponding diseases. Because headache is a symptom and clinical manifestation of disease, it is necessary to go to the hospital for examination and diagnosis.