During the course of this work, researcher has findings of the Jean Piaget's theory derived from his skillful and detailed observations of children, discoveries of children's implicit philosophies or systems of belief, construction of reality by the infant and the stages of mental development have altered our ways of thinking about the intelligence mind development of children. Besides that, the Buddha's objective is to present a discourse in theory of dependent origination to delineate a clear process of life from birth to death, seeking out the taproot of suffering and the method to vanquish suffering in the path to liberation. The mental factors, twelvefold constituents, motivation, and personality factors create a psychological foundation for understanding the function of intelligence mind development through process development of smart-kids from Buddhist psychotherapy.