The invention discloses a radix ophiopogonis harvesting device and belongs to the technical field of traditional Chinese medicine harvesting equipment. The device comprises a vehicle body, a digging mechanism, a conveying mechanism, a soil patting mechanism, a threshing mechanism, a collection net frame and a power supply device, the vehicle body serves as a carrier and is provided with a liftingwheel device, the digging mechanism is used for digging out radix ophiopogonis from soil and comprises a digging frame, a tooth rack and a driving device for driving the tooth rack to shake up and down, the conveying mechanism is used for conveying radix ophiopogonis which is dug out step by step, the soil patting mechanism is used for patting off clay at the head of radix ophiopogonis, the threshing mechanism is used for cutting down fruit grains of radix ophiopogonis, the collection net frame is used for collecting radix ophiopogonis which is cut off, and the power supply device is used forproviding power. By the device, the problem that conventional radix ophiopogonis harvesting modes are low in efficiency, troublesome in process, time-consuming and labor-consuming is solved.