.whiteboard free.The third countermeasure: the use of information technology-assisted teaching has already passed the "single fight". Schools should integrate teachers' resources, select teachers who are passionate about technology and curriculum integration, and form a teaching and research team to learn from each other. Give policy and financial tilt (such as work arrangements in schools, overtime subsidies, etc.), adopt the approach of welcoming and sending out, and strengthen training and learning. Strengthen management, but give appropriate requirements and certain tasks. For example, lectures on regular teaching and learning theory, research and demonstration classes, etc., and cultivate a complex elite team with both modern educational theories and educational technology capabilities to promote common development. Fourth, the status quo: the electronic whiteboard application level is low, the use is not wide.