Embodiments of the disclosure disclose a store system, and a method and an apparatus for processing information of clothing items for try-on. The store system comprises: a first device, deployed in a back warehouse area of a store and configured to obtain corresponding relationship between a user and information of one or more clothing items for try-on; and provide preparation prompt information based on the corresponding relationship to prepare the one or more clothing items for the user; and a fitting room, the fitting room comprising a first door and a second door, the first door configured for the user to enter and exit the fitting room, and the second door configured for delivering the one or more clothing items for try-on corresponding to the user from the back warehouse area to the fitting room.