The present invention relates to an acetabular cup removing apparatus for an artificial hip joint. An acetabular cup removing apparatus for an artificial hip joint according to one embodiment of the present disclosure comprises: a main driving unit； a main shaft which is rotatable by a driving force of the main driving unit； a cutter unit which is disposed at a front end of the main shaft, tiltable along an acetabular portion into which an acetabular cup has been implanted, and cuts the acetabular portion while being rotated by the main shaft； and a stepless adjustment unit for steplessly adjusting a tilting angle of the cutter unit while continuously moving in a forward and backward direction relative to the main shaft.
