Objective To explore individual food serving related cognition and practices among children and adolescents during the COVID-19

so as to provide evidence and guidance for advocating individual food serving among them. Methods From March 2 to 4

2020

the link or two-dimensional code of the electronic questionnaire made by "questionnaire star" has been posted through We-chat

QQ and other We-medias to invite children and adolescents to voluntarily participate in the questionnaire filling. Finally

2 535 valid questionnaires were included in the analysis. Results Among the participants

1 708（67.4%） of them have heard about the individual food serving. 1 966（77.6%） of them considered necessary for the individual food serving. 1 488（58.7%）

1 219（48.1%） and 951（37.5%） of the them had their own bowls

using public spoon and public chopsticks in their home

respectively. 525（20.7%） of them have tried or are trying individual food serving. Conclusion Most children and adolescents had a good cognition of individual food serving

while few of them conducted theindividual food serving. How to effectively advocate children and adolescents to develop individual food serving needs further study.