Urban planning display device

The utility model provides a city planning display device, and relates to the technical field of city planning display. The problems that an existing urban planning display device is low in planning calibration precision, the installation mode of a model module is not stable enough, and dust falls easily are solved. Comprising a mounting support part, and a ventilation plug connector is fixedly mounted on the mounting support part; a ventilation driving device is fixedly mounted on the mounting supporting piece; a movable distance measuring piece is connected to the mounting support piece in a sliding manner; a display module piece is inserted into the mounting support piece; a row of measuring scales are arranged on the mounting support frame; a supporting mounting shell is fixedly welded to the bottom of the mounting supporting frame, and a through hole is formed in the supporting mounting shell. The movable distance measuring part is adopted, so that the movable calibration work can be assisted, the precis