The purpose of the present invention is to provide a plant equipment recognition system capable of accurately recognizing plant equipment even in a plant wherein wireless equipment or markers cannot be installed, or where the equipment differs in form from the design data or the form thereof has been modified from the design data. Provided is a plant equipment recognition system for recognizing, using mobile terminals provided with cameras, plant equipment to be used , said system being configured to comprise: a feature value acquisition unit for acquiring, as a first feature value, information relating to piping from images obtained by using the cameras to capture images of the plant equipment to be used and the piping present in the vicinity of said equipment; and a feature value comparison unit for comparing the first feature value with a second feature value relating to the piping and acquired from the design data.
