The invention provides a special retractable spiral ditcher for lycium chinense. The special retractable spiral ditcher for the lycium chinense comprises a traction frame, a transverse telescopic frame, a control oil cylinder, a power transmission device and a vertical spiral ditching device, wherein the traction frame is assembled with the transverse telescopic frame and then connected with the rear end of the a tractor, the upper end of the vertical spiral ditching device is fixedly assembled at a telescopic end of the transverse telescopic frame, a power input end of the power transmissiondevice is assembled with a power output end of the tractor, a power output end of the power transmission device is assembled with the vertical spiral ditching device, an extension end of a piston rodof the control oil cylinder is fixedly assembled at a telescopic part of the transverse telescopic frame, the transverse telescopic frame comprises a fixed part and the telescopic part, the bottom ofa cylinder is fixedly assembled at the fixed part of the transverse telescopic frame, and the control oil cylinder is assembled with a hydraulic system of the tractor through an oil tube. The specialretractable spiral ditcher for the lycium chinense has the advantages that the structure is simple, the floor space is smaller, the special retractable spiral ditcher is suitable for planting of the lycium chinense, and the efficiency of ditching operation is higher.