Encephalitis in children is pediatric encephalitis that may present with a variety of noticeable symptoms such as fever, lethargy as well as poor appetite. 1. Fever: Encephalitis can be induced when the pediatric brain is attacked by microorganisms such as bacteria or viruses. After being stimulated by inflammation, the body temperature may rise and cause fever. 2. Drowsiness: Pediatric encephalitis can affect the nerves and brain function, and patients may have drowsiness and mental inattention. 3. Poor appetite: Pediatric encephalitis can also affect gastrointestinal function, resulting in decreased appetite. After the occurrence of the above symptoms in children, it is recommended to go to the hospital in a timely manner in order to clarify the cause of the disease and standardize the treatment.