A marriage is a tradition that is established through special ordinances between men and women in different religions and countries to lead to the formation of the family and can lead to the birth of a child. In recent decades, the attention of many researchers and clinical experts and the family has attracted the quality of marital relationships, couple’s satisfaction and its impact on family health. From time immemorial, it has always been the question of family psychologists that whether similarities lead to successful marriage or differences? In general, what is considered in the psychology of marriage is the study of the factors affecting marriage and the factors promoting the quality of marriage, which include the role of material, cultural, psychological, and personality factors in marriage decision and marital satisfaction. This course examines what is needed for a successful marriage both before and after marriage. This training course is provided by OXFORD EDU in various countries.