A method for inspecting the quality of a sealer application, according to the present invention, is a method for a device for inspecting the quality of a sealer application to inspect the quality of a part where sealer was applied in a manufacturing process, the method comprising the steps of: photographing, using at least one or more thermal imaging camera, a part where sealer was applied; analyzing a thermographic image photographed using the at least one or more thermal imaging camera; and inspecting the quality of the sealer application work by using the analysis results of the thermographic image.
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