Abstract: The United States has accumulated rich experience in the development of biology teaching, which can provide references for us. From the beginning, biology teaching in the United States only included botany, zoology and other courses into the curriculum of u-niversity entry, while physiology was involved in but only related to physical health and other issues. Biology teaching attaches impor-tance to knowledge imparting, and then it gradually developed to attach importance to individual, social, ecological and other factors.Integrated curriculum became popular and then returned to subject teaching. At present, American biology teaching advocates diversi-fied teaching objectives, attaches importance to the comprehensive application of modern teaching ideas and methods, promotes the re-form of national scientific standards and teaching materials, and explores and collaborates learning are its main features. Inquiry and cooperative learning are the main characteristics. Enlightenments are as follow: to establish a harmonious relationship between teachersand students and enhance the interaction, to use the advanced education idea and a variety of teaching methods to improve teaching, toencourage students􀆳 independence and innovative consciousness, to give students more flexibility and space, universities and highschools in close cooperation to develop the future biology teachers etc.

Key words: American high school, biology teaching, diversified inspirational teaching, comprehensive course