"Resurrection" is Tolstoy's last masterpiece, known as "the peak of the 19th century Russian critical realism novel." The work exposed and criticized the darkness and anti-people nature of the 19th century tsarist Russia's prisons, courts and other whole state machines, at the same time preached the doctrine of "Tolstoyism", which emphasizes  "non-resistance to evil by force " and "moral self-perfection". This is the  results of the author's ideological exploration and artistic pursuit of up to two decades. The work tells the story of the noble intellectual Nekhlyudov finally realized the spiritual resurrection by the moral self-improvement , and the fallen Maislova in this process also came out of the fall, cleaning up the soul, returned to herself. This paper intends to explore the reasons of Maislova 's resurrection from three aspects: class origin, moral probation and consciousness awakening.