Study on Impact Relation between Literature and Film in 1920s ―Emergence of Film-Novel and Its Background― This study centers on the impact relation of literature and film in 1920s focusing on the phenomena of 'cinematization of newspaper serial stories' and 'film-novel.' As the popular demand for film rapidly increased in the 1920s, the newspaper serial stories were good materials for films. Targeting the newspapers at the time for analysis, the status of cinematization of newspaper serial stories in 1910s and 1920s was empirically investigated, based on which the background of emergence of film-novel and its development were examined. By comparing and analyzing the film-novels of various forms, the significance of cine-novel in cultural history was revisited, and the dynamic impact relation of 'literature and film' of 1920s was revealed.