To provide a part conveying device and a part conveying method capable of efficiently aligning and conveying parts in a short time, and being miniaturized.

This part conveying device 1 comprises a conveying rotary body 40 rotatably held with an axial core inclined in a vertical direction as a reference, a plurality of part housing concave parts 42 formed on the conveying rotary body 40 in a circumferential direction, a motor 60 which is a driving device rotary driving the conveying rotary body 40 with an axial core as a reference, and a part storage part 22a arranged on a bottom end of a moving path of the part housing concave part 42 and storing the parts in a bulk-like manner. By rotation of the conveying rotary body 40, the part housing concave part 42 houses and conveys the parts in the part storage part 22a.