The invention provides a hydrogenated nitrile rubber composition capable of resisting hydrothion corrosion. The composition provided by the invention is characterized in that hydrogenated nitrile is used as a main material, organic peroxide is used as a cross-liking agent, hard carbon black is used as a reinforced filling material, resin is used as a flowing modifier, and metal oxide is used a pore-blocking agent; and the composition is good in hydrothion corrosion resisting property at the hydrothion environment with the temperature of 100 DEG C and the pressure of 6.9 MPa.