1. Introduction At present, China is building county-level land use database. The database construction for the national level should adopt software recommended by Ministry of Land and Resources. There are several database construction scales, 1:2000, 1:5000, 1:10000, etc. As database building uses various platforms and various scales, provincial land use database needs to be established to achieve county-level land use database remittance, build provincial land use database and realize annual change statistics. This database should be flexible to change in different software. The standard provincial land use database should set uniform data use feature classification code, layer division, data file naming rule, unified spatial data, attribute data and data dictionary structure, unified conversion format and metadata formats, etc [1].

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