This simple medicinal material digging harvester is a new type of multi-purpose harvester specially produced for users in some areas where both potatoes and Chinese medicinal materials are planted. It is set to double-feed screen. When harvesting potatoes, the depth of entry into the ground can be adjusted to be shallower, and when harvesting Chinese medicinal materials, the depth of entry into the ground can be adjusted to be deeper, up to 400mm or even deeper, and the spare pressure roller of the equipment can be connected to break the soil, so as to achieve the ideal effect of harvesting medicinal materials. It is very practical and popular. Models are (700-2000)mm.