8x8 Amphibious All-Terrain Vehicle adapts 8x8 all-wheel drive, differential speed for braking and turing, continuously variable transmission, wholly sealed vehicle body and aquatic propeller-driver. It is able to climb the slope of 45°, rotate for semicirce. It can run at a high speed of 50km/h, and stat up in ultra environment with differentail temperature ±45℃ celsius degree and remain running for a long time. Additionally, it can also keep running fast over such earth's surfaces. Based on this vehicle, a new design for fire fight is came out wich called 8X8 Amphibious Fire Truck.