According to the Ministry of Education, recently, the Ministry of Education and the National Health and Health Commission and the National CDC issued the "Notice on the Period of the Period of the Period of the Practice of Kindergarten and Primary School myopia prevention and control" (hereinafter referred to as abbreviatedThe "Notice") requires forward movement prevention and control juncture to grasp the key stage of the Kindergarten and primary school myopia prevention and control work to effectively reduce the occurrence of myopia in children and elementary school students.The "Notice" refers to the in -depth implementation of primary school students mobile phones, sleep, homework, reading and physical management.Guide young children to minimize the use of electronic products as much as possible, and guide primary school students to use electronic products scientifically.Do a good job of sleep management for young children and elementary school students to ensure that children sleep for more than 10 hours a day, and elementary school students sleep for 10 hours a day.