China-Korea trade contracts began from 1992 when they established diplomatic relations. China’s cheap labor force, abundant factor of production, the customer market of 1.3 billion, and the improvement of china’s international prestige after it’s entering into WTO market are the factors which made more and more Korea enterprise invest in China. China ranks among the first business target country of Korea in 2004. With the Korea nationality’s conscious communication at the beginning of the trade, the distribution range gradually extends to other area from the beginning area of the and Yantaicity.Although at the early stage, the center is assembly processing industry, with the chance of Beijing Olympic Games getting on the world stage, Korea enterprise’s investing type, scale and mode all changed. Comparing with small company, more and more large company move into china market. Compared with the contrary side of the small number of investment in the three northeastern provinces of china and Shandong province, the invest scale enlarged with the enlargement of invest scale and the increase of service industry and information and communication industry.At the early stage of Korea-china trade, most of the enterprise entering into china is small and medium sized enterprise. Because of the uncertainty of china market and the thinking system culture difference between Chinese and Korean, although some enterprise withdrew because of large amount of friction. Through getting through of negative factor and the combination of strong enterprise, more and more enterprise began to invest. Korea’s investment in china dropped off because of the developed countries’ economy stagnation of November, 2008 .In order to prohibit the growing decline caused by the dropping down of export, China government changed all kinds of foreign trade policy and changed the growing force from export to domestic demand, and keep on adjusting processing trade policy and the rate of return. Through prohibiting the restrict policy on the export of processing trade and enlarging the percentage of processing trade, it makes great impact on Korea enterprise.To Korea, the changing china trade policy is a chance instead of crisis. When china change it’s trade policy, there’s necessity for Korea enterprise to act positively and develop highly-sophisticated technology quickly and put the center of gravity on safe and long term investment.