South Korea is one of the important export markets for China’s textiles and apparel in the East Asian region. This paper uses Eviews software, selecting labor costs, South Korea’s GDP, foreign direct investment, and the real effective exchange rate as explanatory variables, to conduct an empirical analysis of the factors affecting China’s export trade value of textiles and apparel to South Korea from 2000-2020. The regression results show that South Korea’s GDP, foreign direct investment, and the real effective exchange rate have a significant positive correlation with China’s export value of textiles and apparel to South Korea; labor costs have a significant negative correlation. Based on the results of this empirical analysis, the paper proposes relevant recommendations.