Chinese Confucian idea about moral education, which is rich in content, has a long history. Afterinvestigating the intellectual history of Confucian moral education, we find there was a transformation from theConfucianism of the pre-Qin period to the NeoConfucianism. This change can be summed up as: on the premisethat Social Standard is the purpose of moral education, the Confucianism of the pre-Qin period put more emphasison subjective initiative, emphasized the subjectivity of people, while the NeoConfizcianism emphasized therestriction to people and moral norm compliance. After considering this change, we may find partially why theConfucian moral education lost its energy and effectiveness. This study has important enlightenment to improvethe moral education today which takes the All-round Doctrine as guidance.