Abstract: With the development of ecological gardens, as horticultural plants, ornamental grasses were becoming increasingly popular and applied to landscape. Data analysis showed that published literatures on ornamental grasses increased with time, and some of the ornamental grasses, such as Miscanthus, Pennisetum and Cortaderia, were well studied on genetic resource, landscape application, environmental adaptability, resistance, and invasion risk. In terms of landscape application, approximately 100 species (including cultivars) of ornamental grasses were frequently applied, but were limited to metropolis cities or some economically developed regions. In addition, there were some problems on the application of ornamental grasses, such as few local cultivated breed, small application areas, relatively bald application forms and configuration methods. It is worth mentioning that ornamental grasses may play an important role in the application of city greening and ecological reconstruction due to their wide adaptability, low- input maintenance costs, and strong resistance. Moreover, environmental risk and ecological securities are increasingly apparent and need special attention during landscape application of ornamental grasses.