To avoid an actually delivered painting from being different from a painting imaged by a purchaser by providing the user who applies for painting purchase through a communication network with the concrete image of the case that the painting is displayed in a room where the painting is prearranged to be displayed as an image.
This system is provided with a painting display database 13 for storing the display data of paintings that can be obtained by the user and a virtual room display database 14 for storing the display data of a virtual room where the painting is displayed. The system is further is provided with a processing means for combining the display data of a painting read from the database 13 with the display data of the virtual room read from the database 14 and a communicating means for transmitting the display data of the combined image to the user side.