Flame-retardant nylon tufted carpet

The utility model discloses a flame-retardant nylon tufted carpet. A flame-retardant nylon tufted carpet comprises an upper tufted layer and a lower gridding cloth layer, and further comprises flame-retardant hoses spirally arranged between the tufted layer and the gridding cloth layer as a whole, and spiral flame retardant layers filled between the outer walls of the adjacent flame-retardant hoses and between the tufted layer and the gridding cloth layer. The whole cross section of the flame-retardant hose is oval. A plurality of connecting columns are evenly arranged between the upper hose wall and the lower hose wall of the flame-retardant hose, the height of the connecting columns is smaller than the maximum distance between the upper hose wall and the lower hose wall of the flame-retardant hose, the upper hose wall and the lower hose wall of the flame-retardant hose are in a stacked wavy shape, and the flame-retardant hose is filled with flame-retardant liquid accounting for 80% or above of the volume of