In this paper, a high-oil- absorption resin was prepared through the emulsion polymerization of lauryl methacrylate with additive of a small amount of N-hydroxymethyl acrylamide and acrylic acid, OP-10 and sodium lauryl benzenesulfate as the emulsifier, and initiated by γ-rays. Characterization analysis of the sample was carried out by FTIR, SEM and TG. SEM image shows that the morphology of the micelles from the polymer emulsion is regular, and the average particle size is about 170 nm. Polymer remains queit stable below 300,o,C. The influence of reaction conditions such as total absorbed dose, dose rate, solids content, N-hydroxymethyl acrylamide and acrylic acid content on kerosene absorption performances of the polymer has been studied. The maximal saturated oil absorbed ratio (g/g) of kerosene, chloroform and dimethyl benzene is 18.1, 19.5, and 15.3, respectively.