This paper discusses the use of the domain approach in moral education in an upper secondary school in Malaysia. Moral Education needs a creative and an innovative approach. Therefore, a few forms of approaches are used in the teaching-learning of Moral Education. This research describes the use of domain approach which comprises the moral domain and social convention domain. Both these domains are used through various suitable activities based on the curriculum content. The Domain Theory is used to determine the moral domain of thinking and the level of social convention domain of the students.