Abstract:Osmanthus fragrans was widely used as a major landscape plant in private gardens during the Ming and Qing dynasties. The Kexuan Hall of Keyuan Garden in Dongguan is built with O. fragrans as the main element, which not only displays the unique traditional culture of O. fragrans, but also shows the owner's self-confidence and noble character, as well as the hope and pursuit of goodwill and high quality of life. The modern application of O. fragrans has a broad prospect, can absorb essence from classical gardens, continuously explore the cultural connotation of O. fragrans, enrich the garden application species group and method, to realize the multiple values of creating beautiful landscapes, improving the ecological environment, recreation and health care, etc. It can also take the construction of the South China National Botanical Garden as an opportunity to build specialized or thematic parks with science popularization value and traditional Chinese culture of O. fragrans through gardening.