China's cultural influence on Korea and Japan reached its height during the Tang dynasty. ... Buddhism triumphed, and many Korean monks traveled to China. The Tang system became the governmental model, and Confucianism was adopted as a political ideology. The Tang influence on Korea was important in other ways.
Chinese culture has had a great impact in many areas of Korean culture, including arts, written language, religion, and government administration, with Koreans molding these Chinese models into distinctly Korean forms.