A body-weight-supported walking training machine for animal (1) includes a frame portion (2) including wheels, a support means (9) which suspends and supports an animal, a wire (10) which is attached to the frame portion (2) in a relatively movable manner and has a hanging end portion capable of being connected to the support means (9), and a body weight support level adjustment means (22, 23, 26) which can move up and down a height position of the end portion of the wire (10) so as to adjust a weight reduction amount of the animal.