The invention provides a corrosion-resistant polymer waterproof mortar, which comprises the following components by weight: 40-50 parts of portland cement, 2-3 parts of polymethyl acrylate latex powder, 2-3 parts of ethylene-vinyl acetate latex powder, 1-2 parts of vinyl chloride-vinylidene chloride copolymerized latex powder, 1-2 parts of polyacrylate latex powder, 3-5 parts of polypropylene fibers, 3-5 parts of cellulose ether, 3-7 parts of inorganic fibers, 6-12 parts of plant fibers, 3-5 parts of cellulose sulfate, 2-4 parts of cellulose phosphate, 1-2 parts of phenyl salicylate, 1-3 parts of polyimide particles, 5-8 parts of quartz sand, 10-15 parts of gypsum, 5-9 parts of fly ash, 4-7 parts of bentonite, 3-6 parts of molybdenum trioxide, 2-5 parts of silicon oxide, 1-2 parts of citric acid, 5-8 parts of calcium nitrate, 5-8 parts of diatomite, 2-8 parts of polyvinyl alcohol, 3-6 parts of dried alum, 1-2 parts of a surfactant, and 20-30 parts of water.