Abstract: From 1994 to 1995,an observation was carried out on the community structure of Ardeidae birds in Taigongshan Hill,Zhejiang.The community was made up of Ardeola bacchus,Nycticorax nycticorax,Egretta garzetta and Bubulcus ibis.Based on the niche breadth of horizontal and vertical pattern,this paper made the community matrix and dendrogram of the birds with the methods proposed by Schoener (1968) and Cody (1974) and discussed the utilization states for space and the interspecific relationships of the community.