The invention provides a multi-section anchoring automatic yielding anchor rod and an anchoring method, and relates to the technical field of yielding anchor rods. The anchor rod comprises a rod body,a tray, a lock nut, a yielding sleeve, an annular serrated knife, an annular rubber ring and a yielding stop block; the yielding stop block is welded to the anchor rod body, and the connection strength between the yielding stop block and the rod body is smaller than the tensile strength of the anchor rod; and the yielding sleeve is further arranged on the rod body, and the annular rubber ring andthe annular serrated knife are arranged on the yielding sleeve. When the anchor rod is used for anchoring, firstly, roadway surrounding rock is drilled, and the hole diameter is equal to the outer diameter of the annular rubber ring; secondly, an anchoring agent is installed on the yielding sleeve in the middle of the anchor rod body, then a drilling machine is used for driving the rod body to rotate; and finally the lock nut and the tray are arranged, and pre-tightening force is applied, so that the anchor rod realizes multi-section automatic yielding after anchoring. The technical problem that the whole anchor rod loses efficacy due to local deformation of surrounding rock is solved, and the anchor rod has the advantages of being high in adaptability, easy to operate and the like.