Device and method for orderly harvesting and boxing vegetables and harvester

The invention discloses a device and method for orderly harvesting and boxing vegetables and a harvester, and the device comprises a seedling pulling device, a cutting device and an orderly conveying device, and also comprises a vegetable guiding device for accommodating and dumping vegetables through rotation, a collecting frame for collecting the vegetables, and a control device, the control device is connected with the seedling pulling device, the cutting device, the ordered conveying device and the vegetable flow guide device, the vegetable flow guide device is arranged at a discharging port of the ordered conveying device, vegetables passing through the ordered conveying device are vertically conveyed into the vegetable flow guide device, and under the rotation of the vegetable flow guide device, the vegetables are conveyed into the vegetable flow guide device. And the vegetables are separated from the vegetable guiding device and are horizontally and orderly laid into the collecting frame layer by layer