The urban forest has important significance in economical ecology for urban agglomeration development in the Pearl River Delta.Although obtaining great achievements in construction of urban forest last decade,there are still some problems in this region,such as non-connective forest network,lower forest cover rate,lower "green vegetation accumulation" and unreasonable forest type and so on.The construction of urban forest in this region should serve the needs of ecological cities and forest ecological circle of the Pearl River Delta,embody the innovatory reformation and focus on forest network for allover the region.Some effective measures for construction of urban forest in this region were suggested,including erecting the forest ecological corridors across the region,attaching importance to the function of region-specific constructive tree species,introducing the new conception of networking forest and water timely,and paying attention to the forest ecological construction of urban residential quarters.The purpose of this article is to promote the construction of the urban forest and its sustainable development in the Pearl River Delta.