However, his vision was not completely restored even at the 8-month follow-up, especially the vision in his right eye which was more seriously damaged.<h4>Discussion</h4>We report a rare case of MOG antibodies and anti-NMDAR encephalitis overlapping syndrome (MNOS) with HHV-7 infection for the first time. The gene discussed is MOG; the disease is HHV-7 infectious disease.