when did the whiteboard come out.The new curriculum advocates the transformation of teaching methods and learning styles. The purpose is to change the situation of teachers instilling and passive learning in the past, revitalizing students' learning initiative and learning enthusiasm, making students become the main body of learning, exploring and interacting. Get knowledge and improve ability in cooperation. In the teaching of the application of whiteboards, some teachers pay too much attention to the transformation and display of whiteboard content, ignoring the classroom teaching experience and skills accumulated over the years, such as the organization of teaching content, classroom management, and questioning strategies. Neglecting effective enlightenment and cultivating students' problem awareness, cooperation and interaction are more reflected in the teacher's question and student's answer; the teacher invites the student to operate in front of the whiteboard. In some difficult content, there has also been a lecture by the teacher, and the students have no choice but to listen to the scene, which makes the whiteboard fail to really play its advantages and functions.