Abstract:With the rapid damage and disappearance of the cultural heritage of Great Wall, it is very critical to protect and restore the Great Wall in a scientific and quantitative system. The study establishes the basic information database of the Military Defense System of Ming Great Wall from the perspective of spatial humanities, with the technical support of Space-Time GIS, in order to provide the accurate data base and efficient research methods. First of all, based on the requirements of the research and protection of the Great Wall, the study establishes composition framework of the database including tangible and intangible cultural heritage of the Great Wall. Secondly, according to the characteristics of the defense system of Ming Great Wall, the data structure and layer classification are designed for the sub-database of culture heritage part. In addition, the database analysis results can be used to demarcate the protection scope of Great Wall in different area and will perfect the function and application of the database as the Cloud GIS for meeting the future using demand of the Great Wall heritage.