Tao Te Ching and the Analects are the most important classics in Chinese traditional culture. They are full of psychological significance. They contain a wealth of thoughts on physical and mental harmony，which may be epitomized in the following sayings: “cherish life”，“who understands the world is learned，who understands the self is enlightened”，“bind your self-interest and control your ambition”, and "accept and you become whole" etc. This paper analyzes several aspects of those valuable thoughts to make known the great importance of them in promoting the harmonious development of individuals and social stability.