RÉSUMÉ
@#To analyze the characteristics of mental symptoms in patients with autoimmune encephalitis with different antibody types. Methods The clinical characteristics of patients with autoimmune encephalitis were retrospectively studied. The mental symptoms of patients with autoimmune brain were analyzed. Subjects：Patients diagnosed with autoimmune encephalitis admitted to the Department of Neurology，the First Affiliated Hospital of China Medical University from September 2019 to December 2020.Results There were 20 cases with positive antibody，and the most common clinical manifestations were convulsion，mental symptoms，consciousness disorder and memory decline. One tumor was found in NMDAR AE，which was teratoma of ovary. Conclusion The mental symptoms of patients with subtypes of autoimmune encephalitis have no significant difference，that is，the type of autoimmune brain antibodies can not be determined by the patients’ major mental symptoms.