The Education Bureau sent a letter to the school explaining the measures to be taken during this period of suspension of the face-to-face class and the corresponding arrangements, and the school can use other models to let children learn at home, help them maintain curiosity about things and the motivation to learn, in this regard, the Education Bureau reminds schools and parents to avoid letting young children use electronic screen products for a long time, and reminds young children to rest their eyes properly during the use of products. The Education Bureau sent a letter (https://www.info.gov.hk/gia/general/202201/11/P2022011100536.htm)to kindergartens in Hong Kong on 11 January this year for the reference of schools and parents.