Children's contact with electronic products is strictly controlled at home. On the contrary, after attending an early education institution, watching cartoons became the norm. Do you need to use a mobile phone at the beginning of kindergarten? Punch in? Is homework really necessary? After the epidemic, online training has become more and more common, and children are getting younger and younger. Recently, many parents reported that kindergartens and early education institutions? Electronic teaching? Very common. However, the relevant regulations and standards are still blank.