Abstract: Landscape of the Nanwan Forest Farm are classified by types of land use and kinds of dominant tree,changes in landscape pattern are analyzed by using fractal dimension,landscape diversity,landscape dominace and other indices from 1989 to 1999,basic law for pattern distribution of landscape space are revealed.The results show that from 1989 to 1999,area of forost land decreased and forest diversity increased;in forest land,the pine forosts decreased and cunninghamia increased,structure of main trees changed ...