Rock wool tube, glass wool tube, rubber-plastic sponge, polyethylene insulation material, composite silicate insulation material and aluminum silicate insulation material are the insulation materials of fire-fighting pipeline, among which rock wool tube, glass wool tube and aluminum silicate insulation material are relatively resistant to high temperature, but the insulation effect is not good; Rubber, plastic, sponge and polyethylene insulation materials have good insulation effect, especially good anti-freezing effect at low temperature, and are not resistant to high temperature, but ordinary heating pipes will do. Another is that composite silicate thermal insulation material has good thermal insulation effect and high temperature resistance, but poor water resistance. Each has its own advantages and disadvantages, and we should choose according to the actual situation.