The present invention relates to a method for providing information on an object by an object code management system, comprising: receiving a user instruction through a user interface of a display device; determining unique identification information of the object on the basis of the user instruction and searching for another object to be recommended by the object code management system on the basis of the object code matched with the unique identification information; and generating recommendation information on at least one of the determined unique identification information of the object and the another object.