This study will attempt to show how marriage ceremonies in Korea have reflected marriage custom influences from science and industrialization the study focuses on changes in traditional features. As a result of science and industrialization, the social patterns of Korean marriages have considerably changed, due to the impact of western values. There are three stages of the Korean marriage ceremony: before the ceremony (Sun-rye), the ceremony (Bon-rye) and after the ceremony (Hu-rye). The research examined how these marriage customs were influenced by science and industrialization. The instruments were 750 questionnaires, analyzed through data processing and personal interviews with 25 married women. The data were analyzed by making use of the SPSS program using frequency analysis and $x^2$-test. The results suggested that, since 1960, Korean marriage ceremonies mainly conformed to the marriage customs of traditional society. Since 1970, traditional customs of the before the ceremony (Sun-rye) process have been, in large part, eliminated. The ceremony (Bon-rye) process has been changed to western style, and the after the ceremony (Hu-rye) process has been altered to some degree.