Based on the data of Wuzhishan city’s 1998, 2003, and 2007 three period remote sensing images, 2010 forest resources II class investigation data and 1993, 1998, 2003, and 2008 four period category inventory data, by adopting applying landscape ecology, sustainable forest management and geostatistical statistics theory and method, six landscape pattern indexes, including degree of polymerization (AI), landscape shape index(LSI), Edge density(ED), Fragmentation index(FN), Connectivity index(CONNECT) and patch density index (PD) were selected, the landscape pattern indexes of different woodland landscape types of Wuzhishan city were computed by using software of landscape fragstats 4.0. On the basis of above results, Wuzhishan forest landscape heterogeneity was comprehensive analyzed and studied. The results show that in recently 20 years, the distribution of Wuzhishan city forest landscape types have been relatively uniform, and less complexity basic changed; Various types of forest landscape patch density all showed a trend of obvious increase and shape index and edge density changed in the same direction, the mutual influence and transformation between the plaques and were smaller, the landscape type changes were accomplished mainly through the transformation of forest-land and non-forestland, the annual change of landscape polymerization degree didn’t changed much. The researchifndings have great theory and practical guiding signiifcance in dynamic evaluation of forest landscape, ecological vulnerability analysis andfForest land comprehensive management.%运用海南省五指山市1998年、2003年、2007年3期遥感影像数据，2010年森林资源二类调查数据和1993年、1998年、2003年、2008年4期森林资源一类清查数据，应用景观生态学、森林可持续经营和地统计学理论和方法，选取聚合度（AI）、景观形状指数（LSI）、边缘密度（ED）、破碎度指数（FN）、连接度指数（CONNECT）、斑块密度（PD）等6个景观格局指数，利用景观fragstats4.0软件计算五指山市不同林地景观类型的景观格局指数,在此基础上对五指山市林地景观的异质性进行综合分析与研究。研究结果表明，近20年内五指山市的林地景观类型分布一直较为均匀，复杂度基本较少改变；各林地景观类型的斑块密度，均呈明显的增加趋势，形状指数与边缘密度变化方向一致，各斑块间相互影响及转化较小，景观斑块间类型的改变主要是通过林地与非林地间的转化完成，景观聚合度的年变化不大。研究成果对林地景观动态评价、生态脆弱性分析和林地综合管理具有较大的理论与实践指导意义。
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