A processing device of cigarette woodpulp nonwoven fabric relates to the technical field of processing equipment of cigarette woodpulp nonwoven fabric. The processing device comprises a fiber accumulating machine, a feeding fan, wind pipes, a card wire machine and a negative pressure box, wherein both ends of the feeding fan are respectively connected with the fiber accumulating machine and the wind pipes; the wind pipes are connected with one another through flanges; the card wire machine is connected with the negative pressure box and is provided with a feeding port and a shaping head; and the other end of the wind pipe is connected with the feeding port of the card wire machine. The processing device is characterized in that the gaps between card clothing rollers on the fiber accumulating machine range between 0.5 and 0.8mm. The processing device realizes the aims of increasing the uniformity of air-laid web and the carding effect of fiber and turning semicontinuous discharging into uniform continuous discharging.