Abstract: The moral cognize theory which from Piaget to Kohlberg is innovationtheory of psychology, It work over genetic and development about moral cognize by positive method, it makes gigantic infection on moral education Moral cognizeis in harmony with materialism in essence. It embodies rich dialectical thought.But there are some questions on world outlook and methodology of philosophy init. It will promote research of moral science and ethic philosophy that These questions be analyzed.

Key words: Piaget, Kohlberg, the moral cognize theory, philosophy questions

摘要： 从皮亚杰到柯尔伯格的道德认知理论是富有创新性的心理学理论,它以实证的方法研究了道德认知的发生和发展,对道德教育实践产生了巨大的影响。道德认知理论与现代唯物主义的精神实质相一致,并体现了丰富的辩证思维。但其理论在哲学世界观和方法论方面,存在一些自身不能解决的问题,对这些问题进行分析,有助于道德科学研究和伦理哲学研究的发展。

关键词: 皮亚杰, 柯尔伯格, 道德认知理论, 哲学问题