Abstract: Ornamental grass, as a new kind of ornamental plants, had great value in the construction of city green spaces and ecological landscape. However, few acquaintances and research on ornamental grasses has been conducted in China. The definition, application and prospect of wild ornamental grasses were discussed in this paper. The species, aesthetics and distribution of main ornamental grasses in Shandong Province were primarily evaluated. The results showed that there were great potential for 13 wild ornamental grasses (Pennlsetum alopecuroides et al,)which could be wisely used to the landscape in Shandong province. They were were described detailedly.