The roles of macrophyte in artificial wetland and the principles of the selection of macrophyte for artificial wetland are summarized, and the foreground of artificial wetland in China is analyzed in this paper.Macrophyte plays important roles in artificial wetland, not only uptakes the pollutants in waster water, maintains artificial wetland's environment, but also possesses economic value and ecological aesthetics value.The adaptability, the tolerance of contamination, the capacity of purification, the root, the economic value and sightseeing and the combination of among species should be taken into accounted in the selection of macrophyte for artificial wetland.Finally, it was pointed out that the artificial wetland technology would be disseminated in China extensively.