Abstract: In order to recognize the influences of which human act to the forest landscape, in the paper, the dynamic of spatial patten of forest landscape in Liyang district was studied by using GIS technology. Some indice used frequently in landscape ecological research such as domiance of landscape were calculated and analysed synthetically. It was concluded that the forest landscape in Liyang district was beyond the stage in which the heterogeneity would increase when influenced by human actions, and in the stage of tending to homogeneity.