Applied universities are important bases for cultivating practical talents. With the progress of the times and the rapid growth of society, their teaching reform has become an important issue in the field of education today. Chinese architectural history, as an important component of traditional Chinese culture, not only relates to students' understanding of history and culture, but also affects their future practice and innovation in related fields. This article explores the diversified teaching reform of Chinese architectural history courses in applied universities, and constructs a diversified teaching platform for Chinese architectural history courses, aiming to stimulate students' interest in learning and improve learning effectiveness. The design of this platform will inject new vitality into teaching reform and provide students with a broader learning space. Finally, through empirical research and effect analysis, the data fluctuated in different historical periods. The curriculum coverage percentages were highest in the Tang and Ming dynasties, at 90% and 95% respectively, while the data for the Song dynasty was slightly lower at 75%.