Exoskeleton walking device is a portable wearable lower limb power assist exoskeleton built for daily walking, slope climbing, outdoor hiking and postoperative mobility rehabilitation. Equipped with high-sensitivity real-time gait recognition sensors and low-noise servo drive components, this exoskeleton walking device can automatically perceive human movement states and deliver matched auxiliary power to hip and knee joints, evenly decompress lower limb bearing load and ease joint soreness, muscle fatigue and lassitude after long-time walking. The whole machine adopts ultra-light high-strength composite frame with IP54 dustproof and waterproof performance, stable for indoor home use, community roads and gentle mountain trails. Multi-angle soft padded binding straps support full size adjustment to fit users with different heights and leg circumferences, paired with swappable large-capacity lithium batteries to realize all-day continuous walking assistance. Ergonomic flexible joint design ensures unobstructed natural limb movement, with simple one-button control that is easy to master. This exoskeleton walking device perfectly serves seniors with weak legs, rehabilitation patients, outdoor walkers and field operators, bringing stable and smooth human-machine coordination and greatly enhancing long-distance walking comfort and endurance.