Using Jiang Le Forest Farm in Fujian Province as the research object,according to the study area forest inventory data, to build the forest-health evaluation system the using of forest health AHP based on GIS. Using spatial analysis function of GIS to evaluate the forest health level of production figure of timber production and to make the health levels map of Jiangle forest farm. The results show that:most of 1291 classes of Jiangle Forest Farm is at healthy levels,with a percent of 88.761.And 84.803%of t...