Fecha de publicación: 20/09/2022 Fuente: WIPO Wine The invention belongs to the technical field of label printing devices, and discloses a wine bottle label special printing device which comprises a winding assembly and an unwinding assembly, label paper is arranged between the winding assembly and the unwinding assembly, and a printing assembly is installed on the portion, close to the upper portion of a label paper moving path, between the winding assembly and the unwinding assembly. Ink is stored through the first liquid storage cavity, water is stored through the second liquid storage cavity, when the printing nozzle stops spraying ink, the electromagnetic valve between the second liquid storage cavity and the liquid outlet cavity is opened, the electromagnetic valve between the first liquid storage cavity and the liquid outlet cavity is closed, and the water in the second liquid storage cavity enters the liquid outlet cavity; and finally, the ink is sprayed out through the printing spray head, so that the residual ink in the printing spray head is discharged, the printing spray head is prevented from being blocked after the residual ink in the printing spray head is dried, the printing spray head can normally spray the ink, frequent maintenance of the printing spray head is not needed, the maintenance difficulty of the device is reduced, and the maintenance efficiency of the device is improved.