This paper introduces the technical route,the key technical means and the main construction contents and achievements of the construction of the comprehensive monitoring,evaluation and decision management information system of Guizhou forest resources. The construction of the system has formed Guizhou province forest resources information management pattern of scientific layout,which is efficient and convenient,practical,safe and stable,improved the efficiency and level of data collection,updating,management and decision-making,provided accurate information support and application support services for forestry departments at all levels to lay a solid foundation for timely,scientific and accurate basis for the province's forest resources supervision,and vigorously promoted the informatization of Guizhou province forest resources supervision and provided a reliable platform.