Today, we have entered a media society, in which all social life, social events and social relations can be revealed on the media. The development of multimedia provides powerful technical support for media-based teaching, it breaks the original space-time boundary too. In the interactive process of media and education, new changes have taken place. The way of the education, the relationship between teachers and students, the dissemination of achievements are all changed. “Architectural Design 5”is a professional design course for the fourth year of undergraduate architectural students. Taking this as an example, through the teaching research of "Anchored", "Situated" and "Digitized", the author explains the transformation of the "teaching & learning" mode of architecture under the background of multimedia. In order to realize the effective development of media and architectural teaching, we should give full play to the "multimedia" and "media teaching methods" , so we can promote the teaching and learning of architecture in the new era.