SALES SYSTEM, SALES SERVER AND SALES METHOD

PROBLEM TO BE SOLVED: To provide a system relating to a sales and purchase of a commercial product, in which it is not necessary for a purchaser to make a line in front of a cash register with the commercial product or bring it back although the purchaser can actually take it, a purchase procedure can be executed at any timing and a purchased commercial product is deliverable to a desired delivery destination.SOLUTION: In a sales system including a sales server 1 and a communication terminal 2 connected to a network and a tag 3 installed to one or more commercial products of a shop, the tag 3 has each unique tag identification (ID) and is configured to include: commercial product association means in which the sales server 1 stores the tag ID and a commercial product in association with each other; tag ID reception and transmission means in which the communication terminal 2 reads the tag 3 to acquire the tag ID and transmits the acquired tag ID to the sales server 1; commercial product specifying means that specifies a commercial product from the tag ID received by the sales server 1; purchase reception means in which the communication terminal 2 receives an input of a purchase desire of a commercial product and transmits it to the sales server 1; and delivery destination reception means in which the communication terminal 2 receives an instruction of the delivery destination of the commercial product and transmits it to the sales server 1.