On the basis of the personnel carrier, the fire-fighting vehicle designs a sprinkler device for the rear vehicle, adopts the integrated structure of the carport water tank, and installs a fire-fighting water pump and a high-pressure energy-saving cleaning pump. The fire-fighting water pump can continuously spray water for 15 minutes under high pressure, and the high-pressure energy-saving water pump can continuously spray water for more than 1.5 hours to achieve fire extinguishing operations while driving. The fire pump and the high-pressure energy-saving cleaning water pump can be operated separately at the same time. In addition, it is also equipped with an external interface that can be matched with the existing forest fire-fighting water pump pipe belt to realize the remote water supply mode combined with the water pump unit. It also has an external connection for the water tank, and the town fire truck can be used to replenish water for the vehicle. The front part of the water tank is equipped with an independent load space, and the rear part is equipped with a pump operator's operation room, which can operate double pumps by one person. The vehicle has 2600 kilograms of water and 200 liters of drinking water. The upper part of the carport is designed with guardrails and can carry 400 kilograms of materials and equipment. The front and rear vehicle weighs a total of 4000 kilograms.