It is meaningful to explore commercial trends of newspapers, writers' responses, and connection with movies when studying the 1950's novels serialized in newspapers. In the 1950s, newspapers had an enormous social influence, and their commercialism became conspicuous. In order to increase sale figures, newspaper companies adopted strategies of attracting brand-name authors, taking advantage of advertorials, and eliminating unpopular novels. Writers sensitively responded to readers' responses while compromising with the commercialism. Most of them showed efforts to persue artistry and popularity simultaneously, but some authors openly promoted newspapers where their novels were serialized, or brought into relief vulgar factors such as sensuality, sentimentality, and brutality. In addition, Attention should be paid to the fact that newspaper novels played a leading role in having connection with films. In the 1950s, the heyday of Korean movies, melodramas were often the source of newspaper novels. This is the evidence to prove the novels' contribution to helping Korean movies securing a popular base. Like this, the 1950's novels serialized in newspapers were quite a splash with the commercialism, and had quite an influence on popular arts. Moreover, it is safe to say that the 1950's newspaper novels has a solid status in the history of Korean literature or art in that they are social novels that reflects then social conditions.