The utility model provides a foldable type crane belonging to the field of engineering machinery. The foldable type crane comprises a base, a retractable column, a rotating seat, a hoister, a steel wire rope, a straight arm, a guide wheel a, an inclined arm, a retractable rod a, a guide wheel b, a guide wheel c, a retractable rod b, a guide wheel d, a lifting hook and a retractable rod c, wherein the retractable column is mounted on the base; the rotating seat is mounted on the retractable column; the straight arm is fixedly mounted on the rotating seat; the inclined arm is hinged to the straight arm through a hinge; the retractable rod b is mounted on the head of the inclined arm through a hinge; one guide wheel d is mounted on the head of the retractable rod b; one retractable rod c is mounted between the straight arm and the inclined arm; one retractable rod a is mounted between the retractable rod b and the inclined arm; the hoister is mounted on the rotating seat; the guide wheel a is mounted at the tail part of the inclined arm; the guide wheel b is mounted on the head of the inclined arm; the guide wheel c is mounted at the tail part of the retractable rod b; one end of the steel wire rope is wound on the hoister; the steel wire rope penetrates through the guide wheel a, the guide wheel b, the guide wheel c and the guide wheel d; the lifting hook is fixed at the other end of the steel wire rope.