Abstract: With the development of Chinese flower industry recently,the quality of flowers should be better and better to meet people's needs.Exploring abundant plant resources in China,especially wild relatives of ornamental plants has great significance for flower breeding and ornamental gardening.Investigating the actuality of some flowers and its wild relatives,this paper discusses the problems occurring in flower trade.Meanwhile,the ways of exploration,study and application of wild plant resources were put forward.These could offer references for the breeding of ornamental gardening.