Prepare lessons carefully before class and choose the appropriate teaching process. The success of a class is directly related to the quality of preparation before class. Teachers should be fully prepared. Such as consulting all kinds of information, storing rich relevant knowledge, choosing appropriate teaching methods, carefully designing teaching links, preparing appropriate teaching means and appliances, deepening the understanding of teaching content, enhancing the ability to deal with emergencies, accumulating knowledge, experience and the ability to deal with problems generated by students, and mastering certain geographical skills. In the process of teaching design, teachers should actively participate in the development and design of curriculum resources, creatively integrate, process and use teaching materials, change from "teaching materials" to "teaching with teaching materials", teach students to learn, develop their emotions, cultivate good study habits and improve their learning ability.