a. Data content (data file/table name, including observation index content): Mongolia's land cover data is the latest version of Mongolia's land cover data in the world, including Mongolia's national land cover value and spatial distribution information b. Construction purpose: to provide basic data for relevant researchers c. Service object: for scientific research, Mainly used for relevant research in geography d. Time range of data: the latest edition e. Spatial range and projection method of data: WGS1984 of Mongolia f. Subject range of data: geographical category g. Quantity of data: 729KB h. Data type (literature, attribute, vector, grid, text, etc.): grid i. Frequency of data update: irregular update