The protection forest lands are distributed scattering among the island in Taiwan

its function in safeguarding the territory is very important.In recent years

because the nature and social environment change quickly

people need more and more land resource;therefore the protection forest land was illegal lyused by the people usually.The purposes of this study are to use remote sensing data to detect the human impact on the protection forest of Kenting Park from 1993 to 2001.Remote sensing data has been used（1993 and 2001 SPOT XS） to establish the land-use database and ancillary with The Bureau of Forestry’s protection forest database as the data input of the study.Moreover we used impact indicators of land resources and GIS spatial analysis tools to measure the percent urban growth metric

percent farm growth metric

and percent human impact metric on these protected forest.The result showed that 8 protection forests have serious human impact and attentions should be paied by the manager.