Wuhan Education Cloud can find electronic resources for classroom assignments. Wuhan Academy of Educational Sciences, together with Wuhan Publishing House, provides the first electronic version of the teaching aid "Classroom Homework" for teachers, students and parents in the city to download and use for free. Wuhan Education Cloud has settled in the electronic teaching assistant of the aerial classroom in family primary schools and junior high schools. Download the corresponding "homework" according to the selected subjects, and the file format is unified as PDF format.