With the help of the historical classics of China and South Korea (Korean Peninsula) and the literary works of experts and scholars, we can restore history as much as possible and show readers the development process of Sino-Korean trade in four typical historical periods: Qin and Han Dynasties, Tang Dynasty, Song Dynasty and Ming Dynasty. Trade between the two countries in Qin, Han, Southern and Northern Dynasties Korea, as a close neighbor of China, has been trading since ancient times. At the end of the Western Han Dynasty, Koguryo rose in the northern part of the Korean Peninsula, forming a tripartite confrontation with Baekje and Silla in the south. Historically known as the Three Kingdoms Period on the Korean Peninsula. According to historical records, Jianwu was built in the Eastern Han Dynasty for eight years (AD 32! Koguryo sent envoys to visit Korea, and since then the two countries have established economic and diplomatic relations. Silkworm rearing techniques, five coins, ironware, lacquerware, bronze mirrors, etc. in the Han Dynasty were introduced to Koguryo one after another.