A waste liquid circulation plate wiping device of an intaglio printing machine comprising: a wiping cylinder oriented such that the axis of the wiping cylinder extends from the front side to the back side such that a first circular surface of the wiping cylinder faces the front side and a second circular surface of the wiping cylinder faces the back side; at least one cleaning substrate located on an outer surface of the wiping cylinder to wipe an emulsified printing ink from the surface of the wiping cylinder, wherein the cleaning substrate is installed on top of a mesh plate; a front nozzle for spraying an old liquid on the surface of the wiping cylinder and emulsifying the printing ink on the surface of the wiping cylinder, wherein the front nozzle is installed on the left side of the wiping cylinder; a middle cleaning nozzle for cleaning the wiping cylinder with a new liquid, middle cleaning nozzle is installed on the bottom side of the wiping cylinder; characterized in that the waste liquid circulation plate wiping device further comprises a waterproof device; a separating device for separating the new liquid from the old liquid after being sprayed on the wiping cylinder; a waste liquid circulation device having a waste liquid container for collecting the waste liquid to use as the old liquid in next cycles, a waste liquid circulation pump for circulating the old liquid from the waste liquid container to the first nozzle and an ultrasonic testing device to detect the level of the liquid in the waste liquid container; a first back wash device using a new plate wiping liquid; a second back wash device using a soft water; the waterproof device and the separating device are connected to the mesh plate separately; the middle cleaning nozzle is connected to the mesh plate; the new liquid is transferred to the middle cleaning nozzle through a cleaning pipe; the middle cleaning nozzle is connected to the waste liquid container through the waterproof device and the separating device to collect the waste liquid for reuse; the waste liquid circulation container is connected to a new plate wiping device through a water supply pipe; and cleaning devices are respectively connected to the first back wash device using a new wiping liquid and the second back wash device using soft water. a wiping cylinder oriented such that the axis of the wiping cylinder extends from the front side to the back side such that a first circular surface of the wiping cylinder faces the front side and a second circular surface of the wiping cylinder faces the back side; at least one cleaning substrate located on an outer surface of the wiping cylinder to wipe an emulsified printing ink from the surface of the wiping cylinder, wherein the cleaning substrate is installed on top of a mesh plate; a front nozzle for spraying an old liquid on the surface of the wiping cylinder and emulsifying the printing ink on the surface of the wiping cylinder, wherein the front nozzle is installed on the left side of the wiping cylinder; a middle cleaning nozzle for cleaning the wiping cylinder with a new liquid, middle cleaning nozzle is installed on the bottom side of the wiping cylinder; characterized in that the waste liquid circulation plate wiping device further comprises a waterproof device; a separating device for separating the new liquid from the old liquid after being sprayed on the wiping cylinder; a waste liquid circulation device having a waste liquid container for collecting the waste liquid to use as the old liquid in next cycles, a waste liquid circulation pump for circulating the old liquid from the waste liquid container to the first nozzle and an ultrasonic testing device to detect the level of the liquid in the waste liquid container; a first back wash device using a new plate wiping liquid; a second back wash device using a soft water; the waterproof device and the separating device are connected to the mesh plate separately; the middle cleaning nozzle is connected to the mesh plate; the new liquid is transferred to the middle cleaning nozzle through a cleaning pipe; the middle cleaning nozzle is connected to the waste liquid container through the waterproof device and the separating device to collect the waste liquid for reuse; the waste liquid circulation container is connected to a new plate wiping device through a water supply pipe; and cleaning devices are respectively connected to the first back wash device using a new wiping liquid and the second back wash device using soft water.