The proportion of service industry in the world economy increases continuously. According to the WTO statistic data, the service industry accounted for 60% of the world total added value in 2003, the service trade scale increased by more than 13% than last year and accounted for about 20% of the world total trade scale. In 2014, the Korean foreign investment to China accounted for 11.7% of the total amount, and 20.8% was recognized as the most significant market after US. In Korea, China is getting considerable attention as an export market. The Chinese government is carrying out the supporting policy to service industry for the purpose of boosting domestic demand; accordingly, more attention should be attached to the Korean investment to China in service industry field. Service industry is the core of the international competitiveness to promote the exchange of the world commodity, cargo and service; in addition, it is the springboard for cost reduction, higher added value and economic growth. From 1978 to 2003, GDP has increased 8.37 times and the annual average growth rate is 9.36%. With the rapid development of economy, the industrial structure also has been changed greatly. The proportion of tertiary industry of GDP has increased from the 21.4% in 1980 (the primary industry is 30.1% and the secondary industry is 48.5% this year) to 33.2% in 2003 (the primary industry is 14.6% and the secondary industry is 52.2% this year). During this period, the service industry has developed fast and its role in the national economy has also been emphasized. The output of service industry has increased from ¥96.64 billion in 1980 to ¥3888.5 billion in 2003, 23 times during 23 years and 10.3% annually on average, which is faster than the growth rate of GDP at the same time. On May 29th,2013,thesecondChinaBeijingInternationalFairforTradeinServicesandGlobalServiceIndustryForumwasheldinBeijing.Li Keqiang, a member of the Standing Committee of the Political Bureau and Premier of the State Council, presented that making the service industry a new engine for the economic and social development. Service industry is growing to be the core of national development. In the pursuit of re-industrialization and re-manufacturing, developed countries should keep the leading superiority of service industry. In the pursuit of industrialization, developing countries should try to make up for the weaknesses of service industry. Vigorously developing service industry is not only a major measure to maintain steady growth and ensure employment but also a strategic choice to adjust structure and improve the growth model. According to the National Bureau of Statistics of China, the third-quarter GDP of 2015 reached ¥487,7.4 billion, increasing by 6.9% year-on-year and 7.0% quarterly than prior. In addition, the added value of primary industry reached ¥391,9.5 billion, increasing by 3.8% year-on-year, the added value of secondary industry reached ¥197,79.9 billion, increasing by 6.0% year-on-year, and the added value of tertiary industry reached ¥250,77.9 billion, increasing by 8.4% year-on-year. The tertiary industry of China accounted for more than a half of GDP, increasing by 2.3% than last year and is 10.8% higher than the secondary industry. This study aims to analyze the importance of China’s service industry, propose measures to cultivate the merchandise trade, and put forward the countermeasures for Korea facing the open of China’s service industry. Foreign Direct Investment (FDI) can have various economic effects to the national economy which can be generalized as production promotion effect, employment promotion effect and productivity increasing effect, etc. Most countries make great efforts to attract FDI aiming at developing economy through boosting production, improving employment rate and learning technology. The previous literature about FDI determining factors show different research methods and variables. Based on the previous study about FDI determining factors, this research analyzed the determining factors of Korean FDI to China through econometric model.