Autoimmune encephalitis is autoimmune encephalitis, which is mainly caused by autoimmune mechanisms. The occurrence of autoimmune encephalitis is considered to be related to anti-neural antibodies, and there are three common clinical types. The main symptoms of autoimmune encephalitis include cognitive impairment, abnormalities in mental behavior, seizures, speech disorders, decreased level of consciousness, and autonomic dysfunction. An examination of the cerebrospinal fluid may reveal mildly elevated proteins, and an MRI may also reveal abnormal foci of limbic system disease as a preliminary suspicion of autoimmune encephalitis. The main treatment for autoimmune encephalitis is immunotherapy, which can be done with propecia or immunosuppressive drugs taken orally.