This powered leg robot is a wearable bionic lower limb power assist system equipped with high-response servo motors and real-time gait sensing modules, delivering automatic synchronous power support for flat walking, steep climbing, long-distance hiking and light-load field operations. Its intelligent drive system accurately distributes auxiliary torque to knees and hips to ease lower limb bearing pressure, greatly reducing muscle soreness and physical exhaustion after all-day outdoor travel or patrol work. Built with lightweight aerospace composite frames and IP54 dustproof and waterproof sealing, the powered leg robot maintains stable power output in snowy highlands, wet woodlands and rugged gravel trails. Fully adjustable soft binding straps fit users of different heights and leg circumferences, matched with swappable large-capacity lithium batteries to support non-stop long-time use. Suitable for mountain hikers, field workers, the elderly and people with weak leg strength, this ergonomic powered leg robot realizes smooth human-machine linkage and effectively enhances long-distance mobility endurance.