Abstract: 〗The cooperative economy thought stems from the utopian socialists’ idea of “the harmonious system”.Marx and Engels put a basic principle of “all-round and free development” for the future society,regarding that cooperative economy is the important transition to future society.The development of cooperative economy in many countries also shows that it is effective to maintain social harmony.The idea of cooperative economy is significant in constructing a harmonious society in our country.

Key words: cooperation economic thought, theory of future society, harmonious socialist society