The invention discloses a digital printing machine for textile. The digital printing machine for textile comprises a frame, and a master controller, a roll device for receiving and discharging materials, a cross beam, a shower nozzle assembly and a printing ink supply system which are arranged on the frame, wherein the master controller is connected to/controls the roll device for receiving and discharging materials, the shower nozzle assembly and the printing ink supply system. The digital printing machine for textile is characterized in that the cross beam comprises a cross beam main body which is fixed on the frame, a grating ruler which is arranged along the axial direction of the cross beam main body, a guide rail which corresponds to the shower nozzle assembly and a linear motor which drives the shower nozzle assembly to move along the guide rail; the linear motor is connected to the master controller, and the signal output end of the grating ruler is connected to the mater controller; a shower nozzle cleaning and moisturizing device is correspondingly arranged out of the shower nozzle assembly; and the printing ink supply system comprises a primary printing ink barrel, a first single-head diaphragm pump, a bag type filter, a secondary printing ink barrel, a degassing tank and a first disc filter which are successively connected. The digital printing machine for textile disclosed by the invention is simple in structure and convenient to use, and is more excellent in performance compared with that of a similar product.