1. A data inquiry system for 3D location-based image, video, and information, comprising: a client device, having a space module and a first transmission module, and the space module being used for retrieving space parameters pointed by the client device, and the space parameters being transmitted by the first transmission module; and a remote server, having a database, a processing module and a second transmission module, and the database being provided for storing a plurality of object data and a plurality of related image and video data, and each of the object data comprising an object space position parameter, and the processing module obtaining space parameters through the second transmission module, and determining a space inquiry range according to the space parameter, and the space inquiry range being a conical range that uses the location of the client device as a vertex, and the processing module inquiring and finding out object data of the object space position parameter situated in the space inquiry range, and displaying the object data on the client device.