The present invention relates to a real estate 3D simulation system and a system for providing real estate information based thereon, and in particular, a real estate information management server storing three-dimensional spatial information about the internal space of a target real estate, and the three-dimensional space information from the real estate information management server By including a display unit for extracting and visually displaying, and an input unit for inputting to three-dimensionally create, transform, or remove the virtual object image by interacting with the virtual object image on the internal space displayed by the display unit, It not only improves the convenience of the investigator, but also provides the advantage of improving the reliability of real estate information acquisition.
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