The article analyzes the literary heritage of the writer Sinclair Lewis, who made a significant contribution to the American novel of the twentieth century. In particular, brief information is given about Lewis's popular novel "Ann Vickers", created in 1933. The main character of these works, Ann Vickers, and the social problems depicted through her - the place of women in modern society, the balance of family and profession, gender relations - are artistically illuminated. The article analyzes the artistic features of this character and the significance of it in Sinclair Lewis' oeuvre. S. Lewis's views on feminism are eternal due to their universality, as a continuation of the ideas of humanism; and it has been analyzed that his works are valuable because they reflect high humanitarian ideas