An investigation on aquatic birds of Futian wetlands in Shenzhen Bay was made in recent 10 years.The results show that the species of aquatic bird tend to decrease.In the winter of 1999～2000,contrasting to the records five years ago,1 Catalogue,1 Family 13 Genera,28 species have disappeared,and 1 Catalogue,4 Family 19 Genera,45 species have disappeared contrasting to the records ten years ago.However the number of individual appears to be increasing.The maximum number of aquatic birds was 1 051 in the winter of 1991～1992,but it was 20 467 in the winter of 2000～2001.The annual dynamics of total number of water birds in 1994 were consistent with that in 2000:maximal in January,tend to decreasing from October to December.By means of analysing the data,some suggestions on recovering and improving the ecological environment of the wetland was made.