Abstract: Micro class plays an important role in the construction of online resources of blended teaching. The course of "College Art English 2" takes the history of art development as the main line, so the construction of micro class mainly includes two aspects:（1）the construction of cultural micro course. In the construction of cultural micro class, focus on combing the development context of key art in different periods, and present it to students with short and concise micro class. （2）The construction of intensive reading micro class. Each unit of intensive reading text is more difficult, in order to let students better grasp and absorb, the micro class construction of intensive reading text is carried out. Each intensive reading text is explained in detail according to the paragraph, which provides reference video materials for students' preview and review.

Key words: College art English, Blended teaching, Micro class