PROBLEM TO BE SOLVED : To provide a drug selling system which totally supports drug sales at a beauty salon or the like.SOLUTION : The drug selling system comprises a server device, a shop terminal device provided at a service provider shop, and a supplier terminal device installed in a drug supplier supplying drugs. The server device provides the shop terminal device with a learning content for helping an employee of the service provider shop to qualify as a registered seller for drugs. The shop terminal device orders drugs sold at the service provider shop, to the server device, and the server device accepts the order for the drugs from the shop terminal device and orders the drugs for which the order was accepted, to the supplier terminal device.SELECTED DRAWING : Figure 2COPYRIGHT : (C)2019, JPO&INPIT