China traditional culture takes the Confucianists as the main body and takes Tao and Buddhism as two wings. Although the Confucianists, Tao and Buddhism are different in life wisdom and visual angle and have their own characteristics, all their destination is to reach harmony. All three emphasize self-education and making themselves become noble people, wise people, happy people, and interesting people. Constructing socialism harmonious society needs to construct socialism harmonious culture. And constructing socialism harmonious culture needs to absorb harmonious thought of the Confucianists, Tao and Buddhism, and especially to absorb the reason for knowing haven, knowing the people and knowing self to promote the harmony between nature and the people, between people and between mind and body.