Plastic hose with good flame retardant effect

The utility model provides a plastic hose with a good flame retardant effect. The plastic hose with the good flame-retardant effect comprises a plastic hose, the fire extinguishing device comprises a plastic pipe, a plurality of containing grooves are formed in the plastic pipe, fire extinguishing agents are arranged in the containing grooves, the containing grooves are annularly and evenly arranged, and even and small intervals are reserved between the containing grooves in each set. According to the plastic hose with the good flame-retardant effect, the flame-retardant layer is compounded on the inner wall of the plastic hose, the containing grooves are formed in the plastic hose, and the fire extinguishing agent is filled in the containing grooves, so that when the outside of the plastic hose is burnt by open fire and the outer wall of the hose is damaged, the fire extinguishing agent in the containing grooves is sprayed out, and the fire extinguishing effect is good. And meanwhile, the flame-retardant lay