The invention relates to a locally-deformed power energy absorption anchor rod, which can effectively solve the problem that the existing anchor rod system is easily damaged and failed under the power effect and the underground engineering structure has the power risk. The technical scheme is as follows: the locally-deformed power energy absorption anchor rod comprises an anchor rod body, wherein the anchor rod body is provided with coarse parts and fine parts, which are alternately arranged, wherein one end of the anchor rod body is a free end, the other end is an anchor end, the free end is provided with threads. The locally-deformed power energy absorption anchor rod is simple, novel and unique in structure and good in mechanical performance such as anchor strength, rigidness, power damage resistance and the like, a multi-point anchor effect is realized through the coarse parts, and the anchor strength of the anchor rod is improved; under the effect of the power, the fine parts can produce the plastic deformation so as to absorb the kinetic energy; the fine part structure is gradually increased along the length direction of the anchor rod, so that the anchor rod body is enabled not to be failure in power, and innovation on the anchor rod can be realized.