The certificate issued by the Central Audio-visual Education Center is reliable. The certificate issued by the Central Audio-visual Education Center is recognized by the state. The Central Audio-visual Education Center is an educational technology institution with independent legal personality directly under the Ministry of Education, and it is the institution directly under the Ministry of Education responsible for audio-visual education. So many people take the certificate issued by this institution. The main responsibilities of the Basic Education Resource Center of the Ministry of Education are: to undertake the planning and coordination of the construction of basic education resources; Collect and publish information on the demand for basic education resources; Organizing the collection, introduction, development and integration of basic education resources; Establish a special resource management and service platform based on the broadband multimedia transmission network of China Education Satellite, which is responsible for sending basic education resources, technical support, user management and collecting feedback information; To undertake the management of the national basic education resource database and resource service website; Organize the research, evaluation, recommendation and exchange of basic education resources; Carry out other related work authorized and entrusted by the Ministry of Education.