Presently, the idea of Digital Earth that Gore envisioned (1998) has become increasingly available by the supports of advances in GIS technology, Internet and high-resolution satellite imagery. However, these huge data models always place emphasis on describing the natural and scientific elements but ignore the humanity factors that are equally weighted. The paper aims at providing a technical framework on implementing Digital Tang Chang'An City (A.D.618-907) to restoring the most magnificent

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... me in Chinese history. As a result, the study of the framework is mainly represents as a proposed three-layer system architecture. In addition, the paper specifically introduced the related technologies and the methodologies based on GIS in handling culture and history. It can be concluded that under this technical framework, Digital Tang Chang'an City is not only to set up a scientific digitized model, but also ground on the humanity perspective to make the digitized model "full of vigorous".