A delivery classification device, comprising: an identifiable storage body for storing more than one deliveries, first image picking-up means for obtaining first image data of the deliveries, registered characteristic data storage means for storing in advance the first image data, and the target address data of the delivery as a pair, second image picking-up means that is not necessarily the same as said first image picking-up means for obtaining second image data of the deliveries to image the delivery stored in said storage body, image input means for inputting the second image data, retrieval image data storage means for storing the second image data inputted by said image input means, in which the image data of all deliveries stored in said storage body can be stored, and whereby the delivery classification device is characterized by further comprising: checking means for taking out a degree of conformity of numerical data showing the characteristic of the first image data and the second image data by retrieving said registered characteristic data storage means using the second image data stored by said retrieval image data storage means as a retrieval key, and extracting the target address data of the delivery corresponding to the first image data with the highest degree of conformity, whereby the checking means comprises: characteristic extraction means for creating said numerical data showing the characteristic of said second image data, identification means for performing a check using said numerical data created by said characteristic extraction means; whereby the delivery classification device further comprises check result correction means for correcting a check result of a delivery stored in said storage body, whereby the checking means is adapted to extract the target address data of the delivery after the target addresses have been corresponded to all of the deliveries stored in said storage body. an identifiable storage body for storing more than one deliveries, first image picking-up means for obtaining first image data of the deliveries, registered characteristic data storage means for storing in advance the first image data, and the target address data of the delivery as a pair, second image picking-up means that is not necessarily the same as said first image picking-up means for obtaining second image data of the deliveries to image the delivery stored in said storage body, image input means for inputting the second image data, retrieval image data storage means for storing the second image data inputted by said image input means, in which the image data of all deliveries stored in said storage body can be stored, and checking means for taking out a degree of conformity of numerical data showing the characteristic of the first image data and the second image data by retrieving said registered characteristic data storage means using the second image data stored by said retrieval image data storage means as a retrieval key, and extracting the target address data of the delivery corresponding to the first image data with the highest degree of conformity, characteristic extraction means for creating said numerical data showing the characteristic of said second image data, identification means for performing a check using said numerical data created by said characteristic extraction means; whereby the delivery classification device further comprises check result correction means for correcting a check result of a delivery stored in said storage body, whereby the checking means is adapted to extract the target address data of the delivery after the target addresses have been corresponded to all of the deliveries stored in said storage body.