The relevance for the study of moral development is especially highlighted by the continuing controversy within philosophy, psychology, and other social sciences over whether morality has a universal core. The study of morality within a developmental framework studies of change within the life cycle, provides a particular opportunity to address the universality-particularity question. This article is to explore the moral development from the views of cultural psychology. The conclusions are as following: (1) there are cultural difference in judgments about what is right and what is wrong; (2)social practices and institutions are usually perceived as part of the natural-moral order of things by most natives; (3) the idea of objective moral obligation may be more widely distributed than the idea of convention; (4)the idea of morality may be ontogenetically prior to the idea of convention; (5)the distinction between moral and conventional events can be predicted on substantive ground; (6) there is something about certain events, for example, food, clothing, that makes them resistant to moralization; (7) there is no universal agreement among children around the world about what is morally right or wrong; (8) young children do spontaneously develop their own moral code; (9) the distinction between conventional and moral obligations is not a developmental universal; (10) there are no fundamental differences from culture to culture in the ideal from of a rationally lased moral code.