Choosing the low-carbon lifestyle for the human society is the inevitable outcome of historical evolution development. The human lifestyle of primitive civilization society is plain without carbon, the human lifestyle in agricultural civilization society is suitable low-carbon, and the human lifestyle in industrial civilization society is developing with high-carbon, however, the human lifestyle in ecological civilization society is rational with low carbon. Low-carbon lifestyle is not “free-carbon” way of life in the original civilization society , is also not “medium-carbon” way of life in the agricultural civilization society, is harmonious new way of life in the low-carbon ecological civilization society rather than high-carbon lifestyle in the industrial civilization society. Low-carbon lifestyle is the rational choice for human’s correctly handling the relationship among energy, carbon dioxide, and economic and social development, and it needs low-carbon innovations in many aspects, such as the food and clothing , living and traveling. Building smoothly and steadily spreading of low carbon way of life needs various main body participation in all aspects, for instance, the government, enterprises and residents.