To provide an order reception/printing/sales system for wallpaper performing stock management of a wallpaper sheet by use of a computer system, and capable of easily realizing a process from order reception to printing of the wallpaper at low cost on the basis of design information such as coloring or a pattern desired or exhibited by a customer.

This order reception/printing/sales system comprises: a web stock management means 12 for stocking the wallpaper sheet as a rolled web 10S, and performing the management of the stock or the like of the web; a wallpaper printing means 14 having an ink jet printer 20 for converting and setting the designated design information into a required print pattern, and performing the printing on the wallpaper sheet, provided with a wallpaper order reception means 22 for inputting the design information as electronic data, and a print control means 24 for printing the designated design information on the wallpaper sheet; and a wallpaper sales management means 16 for managing sale or the like of a printed wallpaper product 10P. Business management related to production sale of the wallpaper is consistently performed such that the obtained wallpaper is directly sold.