Abstract:Plant pattern is one of the main patterns of China's ancient architectural decoration. People often reflect good hope through plant ornaments on all parts of the architectural decoration,The architectural ornamental plants of the Chen Clan ancestral temple in Guangzhou almost cover all plant pattern types of traditional architectural ornaments in south of the Five Ridges. The author had studied its form, cultural connotation and presentation characteristics, aiming to provide references for the protection and inheritance of traditional architecture and traditional culture in South of the Five Ridges.