MUI4.0 and above, you can go to the "Settings" page of your mobile phone, find "Cloud Service", and you can log in with your Huawei account. For versions below MUI4.0, you can find the icon of "Cloud Service" client on the desktop of your mobile phone. Some models of mobile phones do not display the icon of the client. You can go to the "Settings" page of your mobile phone and find "Cloud Service", so you can log in and use it through your Huawei account. The "cloud service" can't be found on the mobile phone desktop or the "Settings" page, so it can be downloaded and installed through Huawei application market search. Search for "download of national primary and secondary school network cloud platform" in mobile browser. After the jump, click Download. During the epidemic prevention in 2020, according to the Notice of the General Office of the Ministry of Education and the General Office of the Ministry of Industry and Information Technology on the Work Arrangement of "Suspension of Classes and Non-stop Learning" in primary and secondary schools, the national network cloud platform for primary and secondary schools was released. In order to support the work of "stopping classes without stopping studying" and help students study at home, the Ministry of Education integrates the high-quality teaching resources of the country, relevant provinces and cities and schools, and opens the cloud platform in the postponed school year.