Encephalitis is inflammation of the brain, and its symptoms include the following: first, headache, the degree of headache can be so severe that people even want to hit the wall; second, there can be nausea, vomiting, and in severe cases, jet-like vomiting; third, it can often be accompanied by fever; fourth, the brain function is damaged after the manifestation of some of these characteristics, if the brain inflammation is damaged by the tube If the inflammation of the brain damages the area that regulates speech, it is possible that speech will be affected. If the area affected is the motor area, you may not be able to walk or lift your arms. If the affected area is the cranial nerve of the skull, it may manifest as double vision or strabismus.