The kinetics of γ-radiation emulsion polymerization of vinyl acetate has been studied, and the processing condition has been discussed. The kinetics data and the particle size of latexes showed that in the processing of radiation emulsion polymerization of vinyl acetate,the nucleation period ended earlier (lower than 10% conversion) and the constant rate period was apparent. The particle radius of latexes were in the range of 0.5~3μm,larger than the particles produced by normal emulsion polymerization. The kinetics data also showed that there might be three nucleationmachanism in the polymerization period. A suitable experiment conditionhas thereby been suggested.