Nowadays, teaching mode is more and more widely used in our teaching work and production practice, especially in teaching, its application has become more and more extensive and practical. Teaching mode can be widely used in teaching because it has many advantages.

The application of teaching mode in teaching can make students understand more deeply, concretely and clearly. Using it, students can intuitively understand what they want to learn, and the display of the model can improve students' imagination. Model is also the most outstanding contribution to education and teaching.

With the teaching mode, teachers are much more relaxed. With the use of this model, teachers don't have to take pains to explain in class, students can see the model at a glance, and teachers can relax in classroom teaching. This is because a lot of knowledge is difficult to describe clearly in words.