Han Dynasty was a great civilization in the world at that time, and it was also called "Four Empires" together with Guishuang, Rest in Peace and Daqin. The Silk Road was formed in the Han Dynasty. This is also one of the most important trade routes in world history. China people regained control of the "Silk Road" and regained the highest point of world trade. From then on, China became the center of the world trade system, until the Mongolian uprising 1000 years later. It was because of the prestige of the Han Dynasty that foreigners began to call China "Han". "Han" has since become the eternal name of the great Chinese nation in China.

The Tang Dynasty made brilliant achievements in culture, politics, economy and diplomacy, and was one of the most powerful countries in the world at that time. At that time, the political system and culture of East Asian neighbors including Silla, Bohai Sea and Japan were also deeply influenced by it. The national strength of the Tang Dynasty was one of the best in China's history, so China people were also called "Tangren", and today China people in the west are also called "Chinatown".

Chang 'an, the capital, became the largest city in the world at that time, and the Tang Dynasty made many contributions to China culture. Astronomer Monk and his party measured the length of meridian for the first time in the world. Sun Simiao's Qian Jin Fang is a rare medical work. In 868, the printing of Diamond Sutra in China was the earliest block printing known in the world. China's papermaking and textile technology spread to West Asia and Europe through Arabia, and Tang poetry became the insurmountable peak of China's ancient poetry.