The invention discloses a high strength flame retardant waterproof nylon pipe, which comprises the following raw materials: nylon 12, nylon 66, polyphenyl ether, polylactic acid, epoxy resin, ethylene-acrylate-maleic anhydride terpolymer, nano calcium carbonate, nano zinc oxide, nano titanium dioxide, talcum powder, boron nitride, nano montmorillonite, modified carbon nanotube, magnesium borate whisker, calcium chloride, basalt fiber powder, ethylene bisstearamide, silane coupling agent, tri(2,4-di-tert-butylphenyl)phosphite, fire retardant, and succinylated monoglyceride, wherein the fire retardant comprises the following raw materials: brominated polystyrene, hydrotalcite, melamine cyanurate, melamine polyphosphate, polyurethane, magnesium hydroxide, phenolic resin, and bis(4-carboxyphenyl)phenyl phosphine oxide. The provided high strength flame retardant waterproof nylon pipe has the advantages of high strength, good heatproof and flame retardant properties, and excellent waterproof performance.