Children with encephalitis can have the following symptoms: 1. Infection poisoning and acute brain dysfunction: including fever, convulsions, restlessness and progressive aggravation of consciousness. Children may gradually go from depression, drowsiness, lethargy, coma to deep coma, some manifesting as mental-emotional and behavioral abnormalities, and some with limb paralysis, blurred vision, and impaired hearing as the main manifestations. 2. Symptoms of increased intracranial pressure: older children show persistent headache and frequent vomiting, while young children show fullness and increased tone of fontanelle, increased head circumference, irritability, screaming, double gaze, vomiting The child’s face is pale, cold sweat, irregular or suspended breathing, and increased or tonic muscle tone in the limbs. If you have any of these symptoms, you should basically consider encephalitis, and your family should observe the changes in the patient’s condition and seek medical attention in a timely manner to avoid delays.