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This article uses three kinds of monomers: the styrene, butyl acrylate and Vinyltriisopropoxysilane, synthesized the solid phase micro extract coating adsorption material, carries on the structure characterization and the physical performance test. Takes it as the solid phase micro extract coating, carries on the inspection to its adsorbability, the experiment obtains the detection limit of the benzene which is 0.21 µ g/L; The detection limit of the toluene is 30 µ g/L; The detection limit of the m-Xylene is 0.55 µ g/L. Indicated the adsorptivity of this polymer has more effection toward the small molecular aromatic hydrocarbon as the solid phase micro extract coating adsorption material, and the limit of detection is lower compared to the commodity extract coating, there are some promotion and adoption value.