Zhonghang said that he was a member of the Western Han Dynasty when Emperor Wen was a court eunuch. Because of the siege of Baideng, the Han Dynasty began a peace dispute with the Xiongnu, and in the period of Emperor Wen of Han, Emperor Wen was afraid of the rebellion of the kings of various parts of the country, so he still chose a daughter of the clan to be with the Xiongnu and his relatives, Emperor Wen of Han asked the Bank of China to accompany the princess to the Xiongnu and relatives, but the Bank of China said that he was extremely reluctant, so he said to Emperor Wen of Han: "If I arrive in the Xiongnu, I will definitely threaten the Han Kingdom." Emperor Wen only said angry words when he was talking, and he didn't think anything of it. Unexpectedly, the Bank of China said that as soon as it arrived at the Xiongnu, it immediately surrendered, and was deeply favored and favored by the old Shangdan Yu.
It can be said that it is not an exaggeration for the Bank of China to say that this person is called the first traitor in history.
It was precisely because he shook out all his understanding of the Han Dynasty, so that the Xiongnu caused great trauma to the han dynasty border at that time, and even almost overthrew Chang'an, and also burned down the Han Dynasty's palace, Ganquan Palace, which was a great disaster for the Han people at that time, until the Han Wu Emperor Huo went to the disease to seal the wolf Juxu, Chen Tang used the facts to say the words "Those who commit crimes against the strong Han, although they will be punished from afar", made the disaster of the Xiongnu much better and no longer so rampant.
Initially, the Xiongnu liked the Han Dynasty's silk and food, and the Bank of China said: "The total population of the Xiongnu is not comparable to a county of the Han Dynasty, but the reason for its strength is that the food and clothing are different from the Han people, and they do not have to rely on the Han Dynasty." Nowadays, if shan yu changes the original customs and likes the clothes and food of the Han Dynasty, and the Things given by the Han Dynasty do not exceed two-tenths of its total, then the Xiongnu will completely belong to the Han Dynasty. It was hoped that the silk obtained from the Han Dynasty would be made into clothes and pants, and worn on it to gallop in the weeds and thorns, so that the clothes and pants would be torn and damaged, so as to show that the Han Dynasty's silk was not as strong as the Xiongnu's coat and leather jacket. Throw away all the food obtained from the Han Dynasty to show that they are not as convenient and delicious as the milk and dairy products of the Huns. "
The Bocq said that before coming to the steppe, the Huns would not simply count. So the Bocchio taught the people around them the method of taking notes in order to account for the number of their populations and livestock—not to underestimate the knowledge of this counting, which immediately increased the productivity of the Huns.
At this time, the national strength of the Xiongnu was still very strong, and the Han Dynasty had not yet recovered from the war at the end of qin. Therefore, the letter sent by the Han Dynasty to Shan Yu was written on a foot-by-inch wooden tablet, and the opening words were "The emperor respectfully greeted the Xiongnu Da Dan in peace", and wrote what was sent and what was to be said. The Bank of China said that he encouraged Shan Yu to write a letter to the Emperor of the Han Dynasty with a wooden mute of one foot and two inches, and lengthened and widened the size of the seal and the seal, and said the opening sentence very arrogantly: "The Xiongnu DaDan Yu, born of heaven and earth and placed by the sun and moon, respectfully greeted the Emperor of the Han Dynasty with peace." Then write what you sent and what you want to say. As for the Envoys of the Han Dynasty who delivered the letters, the BoC said that they were even more coercive and seductive, asking for money, gold and silver at every turn, and threatening to enter the Han Realm after autumn ripening.
After Emperor Wu invaded the Xiongnu fourteen years ago, the Xiongnu repeatedly violated the Han Territory, but the Bank of China said that he fell ill and died.
Before his death, the Bocq said that he advised the Xiongnu to engage in germ warfare against the Han army. Because he found that some ponds had sick horses and sheep, and the water in these ponds began to have "poison". After the soldiers eat it, they will be "poisoned", ranging from diarrhea to death. Therefore, he suggested that the Xiongnu army bury some sick and dead livestock in the upper reaches of some water sources of the Han army's march route after being cursed by the Xiongnu shamans, and after the Han army ate them, many people did have symptoms of poisoning. Later, the Han army saw through the treacherous schemes of the Xiongnu and took precautions against the germ warfare launched by the Bank of China; but a few years later, Huo Huo, the ai general of the Han WuDi emperor, was said to have eaten the water from this water source and fell ill and died. It was also the first germ warfare in history.
The Bank of China said that in the Xiongnu for decades to serve the old Shangdan Yu and other "three dynasties elders" The Bank of China said that in the Xiongnu decades successively served the old Shangdan Yu, the military minister Shan Yu and Yi Zhi Shan Yu, is a veritable "Three Dynasties Elders".
If the greatest positive contribution of the BOC to history is said, it should come from the transformation and improvement of the Xiongnu culture. The culture of the Xiongnu lagged far behind that of the Han, and they could not even make simple calculations, let alone calculate anything. Such a backward culture is really not conducive to the management of the country, and this is a piece of cake for the BOC theory. The Bank of China said that it taught the Huns, and the culture of the Huns suddenly went up a big step. The Bank of China said that he was still a rare master of strategy, and he strongly praised the Huns' own culture and enhanced their national self-confidence and cohesion, rather than blindly worshipping Han culture. Since then, the northern nomads have become more and more powerful, and the pressure on the Central Plains has become heavier and heavier, which has deeply affected Chinese history.