A magnet inserting apparatus for inserting a plurality of magnet parts into each of the magnet insertion slots provided in the rotor core of a motor, the magnet inserting apparatus comprising: a guiding unit equipped with a magnet inlet and a magnet outlet, the guiding unit being configured to align the plurality of magnet parts inserted through the magnet inlet until the inserted magnet parts are ejected from the magnet outlet, the guiding unit being configured to guide the aligned magnet parts so as to be inserted from the magnet outlet to the magnet insertion slot, wherein a size of the magnet inlet is larger than a size of the magnet insertion slot, a size of the magnet outlet is the same as or smaller than the size of the magnet insertion slot, and the guiding unit is formed so that a shape from the magnet inlet to the magnet outlet becomes a taper shape, characterized in that the magnet inserting apparatus further comprises: a supporting unit configured to support the plurality of magnet parts from below so that the magnet parts do not fall down from the magnet outlet positioned at a lower side of the guiding unit, the plurality of magnet parts being inserted from the magnet inlet positioned at an upper side of the guide unit; and a lowering unit configured to lower the supporting unit in a state that the magnet parts are supported by the supporting unit so as to cause the magnet parts to be inserted into the magnet insertion slot. a guiding unit equipped with a magnet inlet and a magnet outlet, the guiding unit being configured to align the plurality of magnet parts inserted through the magnet inlet until the inserted magnet parts are ejected from the magnet outlet, the guiding unit being configured to guide the aligned magnet parts so as to be inserted from the magnet outlet to the magnet insertion slot, wherein a size of the magnet inlet is larger than a size of the magnet insertion slot, a size of the magnet outlet is the same as or smaller than the size of the magnet insertion slot, and the guiding unit is formed so that a shape from the magnet inlet to the magnet outlet becomes a taper shape, characterized in that the magnet inserting apparatus further comprises: a supporting unit configured to support the plurality of magnet parts from below so that the magnet parts do not fall down from the magnet outlet positioned at a lower side of the guiding unit, the plurality of magnet parts being inserted from the magnet inlet positioned at an upper side of the guide unit; and a lowering unit configured to lower the supporting unit in a state that the magnet parts are supported by the supporting unit so as to cause the magnet parts to be inserted into the magnet insertion slot. a supporting unit configured to support the plurality of magnet parts from below so that the magnet parts do not fall down from the magnet outlet positioned at a lower side of the guiding unit, the plurality of magnet parts being inserted from the magnet inlet positioned at an upper side of the guide unit; and a lowering unit configured to lower the supporting unit in a state that the magnet parts are supported by the supporting unit so as to cause the magnet parts to be inserted into the magnet insertion slot.