Abstract: In the natural resource system, forestry and grassland, as the two main resources, which is of great significance for promoting national economic development and social construction. In the aspect of resource data investigation, in order to realize the effective integration and analysis of various resources, it is also necessary to pay attention to the combination of forestry data and grassland data, which should be regarded as the key work in the management and construction of forestry and forest resources under the background of unified investigation of natural resources. Forestry and grassland are not only rich in good ecological functions, economic functions and cultural functions, but also can promote ecological construction in different regions, especially for some counties and villages, which can promote local economic development, thus narrowing the economic gap with cities. Based on this, under the background of unified investigation of natural resources, in order to realize the effective combination of forestry and grassland data, the investigation status of different data were analyzed, so as to provide reference for related research and practical work.