Mobile dry powder fire extinguishing equipment is a new type of fire fighting equipment between dry powder fire truck and fixed dry powder fire extinguishing equipment. It combines the advantages of the other two kinds of fire-fighting equipment, and innovates the disadvantages of cumbersome operation to make the operation more concise; More reliable use. It is mainly used in oil fields, oil depots, gas stations, aircraft depots, large warehouses and civil airports. It is especially suitable for petrochemical enterprises, gasoline pipeline construction and maintenance sites, as well as fixed targets with potential fire hazards.