LGI1 and encephalitis: After summarizing and analyzing all published data (AlHakeem et al., 2016; Incecik et al., 2016; López-Chiriboga et al., 2018; Schimmel et al., 2018; Zhang et al., 2019; Kang et al., 2022; Wang et al., 2022; Weihua et al., 2022) and these three cases, we found all studies of pediatric anti-LGI1 encephalitis were published in recent years since 2016 and this may due to the increased awareness of the disease in recent years, of which including 9 boys and 10 girls.