The present invention is an individual product identification method, comprising: previously storing epidermal pattern images in a predetermined scope with a predetermined location of a registered product taken as a reference; imaging the epidermal pattern in the predetermined scope with the predetermined location of the product, being a target of individual product identification, taken as a reference; correcting the imaged epidermal pattern image of the product, being a target of individual product identification to an image for collation with the registered product with the predetermined location of the product taken as a reference: and collating an image characteristic of the epidermal pattern image of the registered product with the image characteristic of the corrected epidermal pattern image, and identifying whether the product, being a target of individual product identification, is one of the registered products.