This study examines changing norms concerning divorce in societal context of the historical perspective. The analysis indicates that the changes in divorce norms were particularly striking during industrialization and urbanization. In traditional society, there are various divorce norms according to each era. In Sam Kuk era, there is not the norms of divorce, but there is norms of divorce by Yea Kdeu ideology in Gorea era. During the Zo Sun era, the strict restrict seven possible norms and three overriding ones for divorce rates significantly rose in after the industrialization in response to the continuation of such social changes as greater participation of women in labor force, increased alternative to traditional marriage, the declining stigma attached to divorce, and the rising standard for individual happiness in marriage and so on. Divorce rates are also affected by other factors, such as political and economic conditions, geographic differences, and various demographic characteristics.