When Zheng He sent envoys to the West (a fleet in Yunnan Province), the West refers to more than 20000 people in the western coastal area of the South China sea brought by Zheng He. In addition, there are officers and soldiers, officials at all levels, technical personnel, translators and doctors. They embark from the text, set out from Taicang, Fujian Province, Jiangsu Province, through the vast coastal Zheng He to a country.

He handed the letter to the king He took the angels from western countries back to China. The emperor of the Ming Dynasty saw that the voyage was so succesul. In the following 20 years, the emperor of the Ming Dynasty sent Zheng He to sea seven times, to Togo in the Indian Ocean, and to Zheng He, the farthest African country, seven times at that time It shows that China's shipbuilding and navigation technology has reached a very high level.

What's more, it breaks the relatively isolated situation between the East and the country and allows foreigners to learn more about China.