The invention discloses vac-veova emulsion, a preparation method of the vac-veova emulsion and redispersible latex powder. The emulsion comprises mixed monomers, protective colloid, an emulsifying agent, a buffering agent, an initiating agent and water, wherein the mixed monomers are divided into nuclear layer monomers and shell layer monomers, the nuclear layer monomers consist of 50-80% of main monomers, the shell layer monomers consist of 20-50% of the main monomers and 2-10% of cross-linking monomers, and the main monomers consist of 30-60% of vinyl versatate and 40-70% of vinyl acetate. The redispersible latex powder comprises the following components in parts by weight: 100 parts of the vac-veova emulsion, 10-50 parts of a polyvinyl alcohol solution with the concentration of 10-30% and 2-8 parts of an inorganic anticaking agent. The vac-veova emulsion, the preparation method of the vac-veova emulsion and the redispersible latex powder, disclosed by the invention, have the benefits that according to the invention, the cross-linking monomers are introduced into a polymer chain, so that the water resistant property of the vac-veova emulsion is improved, and the technological difficulty between the redispersion property and the water resistant property is solved.