The present invention relates to a processed article fixing structure of a surveyor for testing and processing various articles including a teeth model. The processed article fixing structure is formed into a specific structure to firmly fix a processed article, and enables users to easily mount and separate the processed article. The processed article fixing structure of the surveyor comprises the following: a processed article fixing plate which is formed into a plate type member with a predetermined thickness to integrate and fix the processed article to the upper surface, and includes at least more than one fitting groove located on the lower surface from the front side to the rear side; a fixing member which is formed into a plate type member with the upper surface including fitting protrusions corresponding to the fitting grooves of the processed article fixing plate, and includes a pressurizing unit installation unit forming a constant space unit using a pair of side walls and a rear wall on the rear side of the fitting protrusions; and a pressurizing unit which includes a pressurizing unit body where a pressurizing unit and a pressing unit located on the opened front surface and the upper surface of the pressurizing unit installation unit is integrated to each other, a hinge installing the pressurizing unit body in between the two walls of the pressurizing unit installation unit to be rotated; and a spring applying elastic force toward the upper side on the rear side of the pressing unit by being installed using the hinge.
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