With the advancement of the new cur

With the advancement of the new curriculum reform, the biology curriculum standard for senior high school explicitly proposes to vigorously develop students' core quality of biology, which emphasizes the mastery and application of students' modeling methods. At the same time, constructing the model is an important activity content in the inquiry teaching advocated by the new curriculum standard of biology in senior high school, It can not only help students to understand and master knowledge, let them really integrate into the practice of biology, but also cultivate students' ability of scientific thinking, innovation and creation, as well as the ability of cooperation and communication. High school biology is an important course in high school, most of the knowledge content in the course is micro or abstract, which makes it difficult for students to understand. Therefore, in teaching practice, if teachers adopt appropriate physical models, they can enhance the sensory stimulation and information stimulation to students, and make abstract knowledge intuitive and simple, so that students can easily understand and master.