Self-service cash register

A self-service cash register provided by the present invention comprises a cash register main body, a cash register main board, a cashier desk top, wiping assemblies and a collection box, the wiping assemblies are respectively arranged on the cashier desk top, a placing desk top and a checkout desk top, the wiping assemblies are used for wiping residual water stains on the surfaces of the cashier desk top, the placing desk top and the checkout desk top, and the collection box is used for collecting the residual water stains on the surfaces of the cashier desk top, the placing desk top and the checkout desk top. The collecting boxes are respectively connected to the bottoms of the cashier desk top, the placing desk top and the checkout desk top in a sliding manner; the rubber wiping plate on the wiping rod is in close contact with the table top, water stains or soil on the table top is pushed into the collecting groove, cleaning of the table top is achieved, meanwhile, the collecting groove and the sliding gro