Natural hair dye and processing method thereof

The invention discloses a natural hair dye and a processing method thereof, scrubbing: a driving motor drives a worm to rotate so as to drive a cleaning roller and a cleaning brush to rotate, the cleaning brush scrubs polygonum multiflorum and removes sludge on the surface of the polygonum multiflorum, when a cleaning box is arranged at the bottom of a water storage box, a telescopic spring is compressed, and the cleaning box is driven to rotate; the bottom plate and the inclined discharging plate are tightly attached to the bottom end of the cleaning box, the polygonum multiflorum is placed in the cleaning box, the rotating disc is located on one side of the worm, the driving cylinder is embedded into a gap of the worm, and when the driving motor drives the worm to rotate, the driving cylinder and the rotating disc can rotate together; and then the cleaning roller and the cleaning brush can clean the polygonum multiflorum in the cleaning box, dirt on the surface of the polygonum multiflorum is removed, manua