This robotic lower limb system is an integrated wearable bionic assist solution combining multi-joint servo actuators, real-time gait capture sensors and intelligent control modules, delivering graded power assistance for daily walking, mountain hiking, uphill climbing and field light-load operations. The intelligent control unit identifies movement postures in real time and dynamically adjusts auxiliary torque on hips and knees to disperse lower limb load, significantly mitigating long-term muscle fatigue and joint soreness during prolonged outdoor travel or patrol tasks. Constructed with lightweight high-rigidity composite frames and full IP54 dustproof and waterproof sealing treatment, this robotic lower limb system maintains stable operating performance in humid forests, gravel mountain roads and low-temperature high-altitude environments. Full-size adjustable padded binding structures accommodate users with various heights and leg circumferences, paired with replaceable large-capacity lithium batteries to support all-day continuous movement. Ideal for outdoor explorers, field survey staff, seniors and rehabilitation users with insufficient leg strength, this complete robotic lower limb system achieves seamless human-machine coordination and greatly improves long-distance mobility comfort and endurance.