The land utilization is between the human and the land interacts one which of concrete patterns the process presents, the social culture, the political economic development and natural environment's difference, unfolds the land utilization pattern is also different. Perfect and complete nationwide land utilization inventory survey material, by the regular renewal maintenance work, lets these material be more effective and the continuous use.

Accroding to land-use program earnest demand, before Ministry of Interior, in Republic of China 84 year institution manpower and so on union central committee and place land administration, census administration and duty, handles of land utilization investigation work a time nationwide character, because of the ground investigation way establishment, the gain at that time had registered the land the behavior in service, takes the land control work basis, is of help very large regarding the national territory policy plan. Along with global economic's vigorous development, land utilization's change speeds up, and day by day complex, before the cause, the material of has used insufficiently, therefore 95 year have handled the second time nationwide land use classification investigation, the essential target is causes to produce the national territory can satisfy demand of the national territory plan and other related decision analysis and the applied research using the investigation achievement material specification and the quality.