This paper presents a fresh view that Poem Without a Hero has witnessed the misery of the twentieth century. The three different parts of the long poem have displayed the misery of the 20th century from various aspects. Part one 1913 (or Petersburg Stories) mainly describes the tragedy of the intellectuals: loneliness and death, showing the spiritual suffering of the 20th century; part two The Back Side of the Coin records the negative side of the Soviet Union's social life in 1930s, implying man's miseries in an abnormal society (deprival of civil right or even living right, no freedom of speech or even no personal freedom, and even the destinations of grown-ups are prisons, interrogation rooms and guillotines), deepening the suffering of the people; the last Ending part further explores the miseries of all mankind in the 20th century - the misfortune, death and destruction caused by the war. All above are expressed by the novel and unique art of poetry, consisting of flexible skip, intertextuality, integration and epic characteristics.