The invention relates to the technical field of medical appliances, in particular to an instrument for the needle-picking therapy for lumbar, neck and shoulder diseases and a use method thereof. The instrument includes a needle body, the part, near the needle tip, of the needle body is provided with a slip stitch groove, and the part, near the needle end, of the needle body is like a flat notch. The use method of the instrument includes the following steps that 1, an adjustment needle rod does not need to be used, and people hold the flat notch of the needle body to make the needle tip pass through the ill skin of the waist, the neck and the shoulder until a disease source enters the slip stitch groove; 2, the needle tip vertically pick up the ill skin through force from the wrist, and blades cut off the ill skin from the root; 3, if the adjustment needle rod needs to be used, the adjustment needle rod is fixedly connected with a connection part, and the step 1 and the step 2 are repeated. In the pick-up process, the treatment failure rate caused by slippage of the disease source can be largely reduced, and the needle body can be used independently and can be connected with the adjustment needle rod for use in cooperation according to different locations of the ill skin of a patient.