The invention relates to a soft ground vehicle walking mechanism. The soft ground vehicle walking mechanism comprises a control motor, a 
high pressure air chamber, an 
electromagnetic valve, airways, driving mechanisms, springs, an inflating 
air cushion shoe and a deflating 
air cushion shoe, wherein the inflating 
air cushion shoe and the deflating air 
cushion shoe are symmetrically arranged on the left and right sides under the walking mechanism in a longitudinal direction; the closed 
high pressure air chamber is formed in the walking mechanism; the control motor for controlling the pressure of the 
high pressure air chamber is arranged at the upper end of the high pressure air chamber; the longitudinally adjustable driving mechanisms are arranged between the high pressure air chamber and the inflating air 
cushion shoe and between the high pressure air chamber and the deflating air 
cushion shoe; the inflating air cushion shoe and the deflating air cushion shoe are connected with the high pressure air chamber through airways; solenoid valves for regulating air switches are mounted on the air ways; and the springs in a stretched state are arranged in the inflating air cushion shoe and the deflating air cushion shoe. The invention is advantaged in that the soft ground vehicle walking mechanism is simply structured, the 
copying passing capacity of a vehicle is improved while the 
contact pressure of the vehicle on the soft ground is effectively reduced, the soft ground vehicle walking mechanism realizes excellent slope climbing capacity, a problem that slip, drifting and the like are easily caused due to sensitivity to wind is eliminated, the vehicle runs stably and consumes less energy.