China is one of the four ancient civilizations in the world with a long history. About 5000 years ago, settlement organizations began to appear with the Central Plains as the center, and then formed a country. After many ethnic exchanges and dynasty changes, the unified situation of multi-ethnic countries was finally formed. After the Revolution of 1911 in the early 20th century, the monarchy withdrew from the historical stage and a republic was established. 1949 after the founding of People's Republic of China (PRC), the people's congress system was established in Chinese mainland.

Britain is a western European island country consisting of England, Wales and Scotland on the island of Great Britain, Northern Ireland in the northeast of Ireland and a series of affiliated islands. In addition to the mainland, there are 14 overseas territories with a total population of more than 64 million, and the main ethnic group is English (Anglo-Saxon).

There have been human activities in the British Isles for a long time. Around the 3rd century BC/Kloc-0, Iberians came from the European continent to settle in the southeast of the British Isles.