What is curriculum theory? How is it related to the practice of curriculum and teaching? These are two very important questions for people engaging in the study of curriculum. Many scholars have been actively discussing these questions, but how do teachers, as practitioners of the curriculum, understand the above questions? How do they apply the curriculum theory into practice? This article descripts an exploratory study which reveals how teachers perceive these issues through questionnaire survey of a group of teachers taking a master of education program.