The Auto Step Following System is a device which the exterior looks like a transfer device which can follow the user’s steps automatically, integrated with rapid reaction, heavy duty and all directional moving capability. Especially for 3 scenarios below: 1. Compatible with the exoskeleton, reduce nursing staffs’ physical labor. 2. Help user do the gait training, cheaper, more agile and safer compared with the roof rail. Depend on the user’s choice, the device can follow user’s step, or moving automatically along the pre-set course. 3. Patient transfer functions, such as bed to bed, bed to wheel chair. Just simply secure some straps, the device will be ready to transfer, reduce the nursing staffs’ or patients’ family’s physical labor.