Abstract:The article selected 75 gates of the house in Buzili, the ancient city in Zhangjiakou in Hebei Province, as objects. The aim is to reveal the gates' cultural connotation and its reflection on history by analyzing its decorative art and style characteristics. Those doors’ decoration, which is influenced by politics, economy, religion, culture and technology in different periods and includes a wide range of decorative forms, has historical value for witnessing historical-political changes, economical development and integration of national culture, and important social value for propagating decoration technology and promoting the protection of cultural heritage