Analyzing and comparing the digital trade rules of free trade zones such as the European Union (EU) and North America is significant for the localization of China’s digital trade rule system. In this paper, the significance of digital trade rules is demonstrated by analyzing and comparing the characteristics of digital trade rules in each regional agreement. Through analysis of the digital trade rules of each region, it is proposed that the construction of digital trade rules in China needs to be based on promoting the development of digital economy, strengthening the protection of digital security and improving data crossborder circulation rules.

The establishment of China-South Korea Free trade area has a positive role in promoting bilateral trade. By analyzing the current situation of China-South Korea trade, the features of China-South Korea Free trade agreement and using intra-industry trade index and other indicators, this article intuitively shows the impact of trade. According to the analysis of the trade effect on China and South Korea, it is concluded that the intra-industry trade keeps improving, the trade deficit of both sides keeps shrinking, and the regional creation effect is obvious, as well as relevant suggestions for enterprises to increase preferential efforts to ensure the activity of the Free trade area and improve the standardization of it.