There are many researches and discussions about efficient classroom, but there is a basic description, that is, investing as little time, energy and material resources as possible to achieve the best teaching effect, that is, students' learning efficiency is high in unit time, and they are highly influenced by education and teaching. The author summarizes his thoughts and actions in efficient classroom construction. For your reference. 1. Determine the content of an efficient class-what to talk about 1. Grasp the interpretation of curriculum standards, teaching syllabus and syllabus. There are 10 items that begin with "explanation" in senior high school geography curriculum standards. The author interprets the curriculum standard by taking the Explanation of Atmospheric Heating Process as an example. "Explanation of atmospheric heating process" examines inductive ability, and "process" embodies a kind of. The ability of inductive reasoning is to sum up new laws from many cases. Therefore, in class review, teachers should introduce specific cases for students to analyze, and then students can summarize the warming process of the atmosphere. In specific cases, the temperature difference between day and night of the moon can be set, and the sky is blue. And can also guide students to illustrate the differences of atmospheric heating conditions in different places, different seasons in the same place and different weather conditions in the same season. Finally, students can summarize the heating process diagram of the atmosphere.