The invention provides a water-resistant white latex which is composed of the following components in parts by weight: 700-1050 parts of polyvinyl acetate, 300-350 parts of vinyl acetate, 120-145 parts of polyvinyl alcohol, 60-100 parts of dibutyl phthalate, 20-40 parts of diethylene glycol dibenzoate, 10-15 parts of octanol, 30-45 parts of isopropanol, 10-25 parts of allyl methacrylate, 5-10 parts of glycol bis methacrylate, 3-7 parts of toluene diisocyanate, 35-50 parts of sodium bicarbonate, 1400-1500 parts of water, 40-50 parts of emulsifier 5-9 parts of composite initiator, 20-32 parts of hydroxymethyl acrylamide, 10-15 parts of waxy corn starch and 2-7 parts of sodium hypochlorite. The water-resistant white latex does not need formaldehyde or any other solvent, and has the advantages of environment friendliness, high heat stability, short primary drying time, excellent water resistance, excellent binding strength, excellent curing time, excellent comprehensive properties and the like.