On the basis of the present ecologic situation of the mangrove of Qi'ao Island in Zhuhai city, the paper puts special reference on the system composition, main community-type, ecological series, the structure and physiognomy of community and the main species of the animals. There are 9 species of mangrove belonging to 7 families, 6 species of semi-mangrove belonging to 5 families, 8 species of satellite belonging to 4 families. There are 46 species of birds belonging to 10 orders and 20 families in the island. The vegetation in Qi'ao island is classified as six communities, there are five mangrove communities: Kandelia candel-Aegiceras corniculatum-Acanthus ilicifolius community, Aegiceras corniculatum-Phragmites communis community, Acanthus ilicifolius community, Sonneratia apetala community, Bruguiera gymnorrhiza-Heritiera littoralis community. The sustainable management measures were proposed in the light of the situation of mangrove swamp resource in Qi'ao Island, Zhuhai.