Low-carbon economics is a new model of economic development in both international and domestic settings as well as the only way for all mankind to deal with climate change and achieve sustainable economic development. In addition to controlling carbon dioxide emissions, the low-carbon economic development model indicates an energy revolution that will fundamentally change production as well as people’s social and economic lifestyle. Low-carbon development has drawn close attention from the international community and has progressed into action in many countries. The world is gradually approaching the low-carbon age for the main purpose of pursing low energy consumption, low emission and high efficiency. The low-carbon economic cooperation aimed at environmental diplomacy is also in the process of active and effective negotiation and implementation. This paper will introduce the low-carbon economic development strategies in South Koreaand the results in practice so far and then summarize the applicable experience and inspiration from the practical significance ofSouth KoreatoChina.