The 50-class IT application ability improvement project 2.0 training for primary and secondary school teachers is a major education construction project in the new period, which is planned and led by the Ministry of Education. It aims to improve teachers' information technology application ability and narrow the gap between urban and rural teachers' information technology application ability through step-by-step training, school-based, classroom-based, application-driven, innovation-oriented and accurate evaluation. By September 29th, 2022, the State Education Bureau had issued 50 courses of training.