Abstract: Aiming at the key problems of "three supplies" (uninterrupted water supply, foam supply and air supply) in fire fighting of high-rise, large complex and petrochemical industry fire, this paper puts forward corresponding methods and suggestions, aiming at establishing an efficient uninterrupted supply chain of "three supplies" in fire fighting, solving the problem of fire extinguishing agent supply and further improving the fighting capacity of fire rescue teams.

Key words: fire water supply, air supply, foam supply