The objective of this study were to investigate the properties and to improve the disadvantages of the polymer concrete such as brittle fracture, large hardening shrinkage. In this paper, steel fiber reinforced polymer concrete is prepared with various steel fiber aspect ratios(ℓ/d), contents(vol.%), and their material characteristics were investigated experimentally. The aspect ratios (ℓ/d) of the steel fiber was reversely proportional to slump value, and slump value tended to decrease as increase of steel fiber content. And harding shrinkage and impact resistance tended to be improved as the steel fiber content and aspect ratio were increased.