Flow is a concept that comes from positive psychology, in which one becomes fully involved in an activity with the skill or focus and alertness. The purpose of this study was to explain the psychological foundations of flow theory based curriculum elements. The research method was qualitative in the form of a theoretical query. To obtain the desired data, the literature and works of experts on "Flow" and positive psychology were used to study the literature. Next, the collected data were analyzed. concepts were analyzed, conditions were analyzed, and elements were analyzed. The results indicated that the goals should be predetermined, accurate, transparent, and personalized; the independent learner should be motivated and confident; the teacher should be the facilitator, the curriculum should be theory-based. Both teaching methods were based on the game-based drowning theory, planned individual learning and problem-solving, structured, safe and guided environments, as well as providing immediate feedback, self-assessment and diagnostic evaluation including curriculum evaluation methods according to the flow theory.