Disclosed are an apparatus and method for providing a digital twin bookshelf, which can generate a digital twin bookshelf including a virtual bookshelf and book objects by using book information and an image obtained by capturing a real bookshelf. The apparatus captures an image of a real bookshelf in which real books are arranged, detects book recognition information from the real bookshelf image, generates a digital twin bookshelf based on the real bookshelf image and the book information corresponding to the book recognition information, and outputs the generated digital twin bookshelf.