Han zai has three sources.

Both The History of the Three Kingdoms and The History of the Later Han Dynasty mentioned Chen Guo, but their understanding was different. The biography of the Three Kingdoms of Soochow, Shu Wei, said that "Chen Han was also a country in ancient times." According to The History of the Later Han Dynasty, all three Han Dynasties are ancient countries. Mahan's greatest * * * established its species as the land where Wang Chen tried his best to support the country. "The Biography of the Three Kingdoms and Shu Wei spread to the east" "The old man handed down by Chen Han was in the east of Mahan, and the deceased in ancient times avoided Qin clothing to adapt to the south Korean Mahan and cut its eastern boundary. The comparison between "there is a city gate and its words are different" and "Chen Han is an ancient country" shows that the "ancient" mentioned in the History of the Three Kingdoms here refers to the late Qin Dynasty and the early Han Dynasty, not to the Shang Dynasty or the Western Zhou Dynasty in the pre-Qin period. For Chen Shou, it was many years ago, and it can certainly be called ancient times. Calling Qin people "Koryo" and "Mahan" living in the East shows that there was only one kind of Koryo before Qin Dynasty, namely Mahan. When Chen Han lived in Korea, there was also a battleground. Clothes are similar to Chen Han's writing and customs, and should have similar experiences with Chen Han. Before the Qin Dynasty, there was neither Chen Han nor Chen Guo Mahan, which was called Korea at that time. This can also be proved by the story of the Eastern Han Dynasty, "King Koryo was defeated by Wei Man, while thousands of others attacked Mahan and became King Koryo" and "The History of the Three Kingdoms". The national record of the Qin people living in North Korea and the local Koreans living together is not like that of China people. Different from Chinese, "King Jugan" in The History of the Three Kingdoms proves that there are many Koreans now, which is also the reason why these non-Chinese words appear in the language. The area where Qin people and Koreans live together is called Qin people and Han people, and both Qin people and Koreans living in this area are called Qin people and Han people. The Records of the Three Kingdoms and Cenhan written by Chen Han should all be tone sandhi of Qin Dynasty. In order to show the difference between this area and primitive Koreans, real Koreans are called Mahan. However, Mahan and Qin and Han dynasties can be collectively called Han, which is why there are three kinds of Han. Set up officials to govern Qin people and Koreans who moved to North Korea. According to Wei Lue, "being a refugee is controlled by others", that is, Han Chen accepted the rule of the Han people, which means that in The Romance of the Three Kingdoms, "Wang Chen always used people as his guide, but could not stand on his own feet as king". The king in charge of the Qin people came from the Han people, not the Qin people, because the Qin people living in Korea can also be collectively called Bill Han. It was not the Qin people who were called "Mahan people" in the history of the Three Kingdoms. The king who managed the Qin and Han Dynasties "can't stand on his own feet as king", which shows that although he claimed to be king, he existed as a vassal of Hanwang, not an independent regime. Chen Guo's name first appeared in Han Shu's biography of Korea, that is, "Fan Zhen and Chen Guo want to write to the son of heaven and make a fortune". Yan Shigu noted that "Chen Ye is the country of Chen Han", that is, the country established by Chen Han. According to Wei slightly, the right canal was not broken at that time. When Luo Qing, the prime minister of North Korea, advised the Right Canal not to use the East Country, more than 2,000 families followed the people out of the country and did not pay tribute to North Korea. When Wang Mang arrived at Huangdi, Lian was Chen Han's right channel handsome. It can be seen that the name of Chen Guo appeared long before Webster's Korea perished, and it was renamed as Chen Han at the latest when Wang Mang became emperor. The History of the Three Kingdoms, Shu Wei Dong Yi, said that the North Korean king named Ji Zhun "named the officials in the imperial palace around him as the King of Korea", and the story of the Eastern Han Dynasty was written as "Breaking thousands of people into the sea and attacking them as the King of Korea". This part of Korean adherents arrived in Mahan in the west, which destroyed Mahan's self-reliance. At this time, the historical records of land ownership in Qin and Han dynasties are not included. However, although there are only a few thousand Korean adherents, it is impossible to control the eastern Qin and Han dynasties at the same time.

Wei Lue said that it was another South Korean country that "refused to pay tribute to North Korea", which was established after "Wang Haizhong allowed to refuse North Korea", indicating that the former North Korea was divided into two countries during the Wei Dynasty. It should be Mahan, who managed the land of Qin and Han Dynasties, who became an independent country, instead of surrendering to Korea founded by Mahan after it was conquered by korean king. In order to distinguish it from the "Korea" country established by Korean adherents in the west, the Qin and Han Dynasties changed to the Han Dynasty, taking Qin Wei as the name. Because Korean and Chinese are different, Sanpang is mistaken for Chen. Therefore, the title of China's history secretary is Chen. To sum up, its establishment was similar to Wei's Korea in the Han Dynasty. The Annals of Ji Zi, a Korean history book, considers it to be the first year of Emperor Hui of Han Dynasty, that is, Ding Wei, that is, 194 BC, and the Outline of East History considers it to be Wu Shen, that is, 193 BC. In short, in the early years of Emperor Gaozu Hui Di, except the indigenous Koreans and the Qin people who moved later, they all moved to ancient Korea before and after the demise of Wei's Korea. "Lelang County" in Hanshu Geography quotes Ying Shao's words that "Korea is also a country", indicating that Lelang County was the ruling center of ancient Korea. The reflection said that the people of Chen Han "named Leronin as a remnant of an Oriental, which I call a remnant of a Langren", which shows that Chen Han had some Koreans since ancient times. The Chronicle of the Three Kingdoms Silla records that Korean adherents are divided into six villages in the valley, and they are six departments of Chen and Han. The Chronicle of the Three Kingdoms says that Chen and Han were divided into twelve countries, which can prove that there are ancient Korean adherents in Chen. "Wei Lue" "Chen Xiangqi's chaos in the world, Qi, Zhao Min's worries, a little death, placed in the West." Biography of Hanshu, which was also developed by the west after Wei Man entered Korea, said that he was "a true fan, a Han man and a dead man", and used the power of refugees from the Central Plains who entered Korea to replace Ji's North Korea. Most of the Central Plains refugees should stay in Wei's Korea, and their settlement is in the west of ancient Korea. Obviously, most of the Korean survivors of Wei who moved to East Malaysia, East Korea, Qin and Han Dynasties came from the eastern part of ancient Korea, that is, the ancient Koreans were the main ones. After the destruction of Korea and the establishment of four counties in the Western Han Dynasty. South Korea and Chen Guo belong to Lelang County. In Wei Lue, Wang Mang was captured, and Han Xiang atoned for his sins. Five hundred people died in Han Dynasty, and it was said that it belonged to Chen Han. "Biography of Four Yi in the Book of Jin" "There are also 40,000 or 50,000 households in Chen and 12 countries, all belonging to Chen and Han." Han Ge is known as the Chen Reform Party because of its submission to Chen Guo. This is why the names of the twenty-four countries in the "Three Kingdoms" are recorded in one place by Han Ji and Chen Han. Twelve countries with the word "Chen Ge" in front of their names should be regarded as Han Ge countries. This also shows what the Book of Jin is called, which is an ancient name. Han Ge's first name is Chen Ge Dangdang, which belongs to Chen Guo's suffix Chen Zi. This group of people may be ancient Koreans who moved later. The Three Kingdoms said that korean king allowed South Korea to be established "and then became extinct". "After the quasi-extinction, the Mahan regained their independence and became the king of Chen." The reason may be that the rulers of Chen Guo recovered Mahan settlement. According to the Records of the Three Kingdoms, excluding Mahan who lives in Chen Guo, Mahan's family exceeds100000 households. Ethnic differences and huge differences in the number of people determine that the country "Korea" will inevitably fail in the competition with the Mahan people who rule this country. China's history books have no record of the time when Korea was founded. The Korean history books "Outline of East History" and "Ang Ye Ji" are considered to be the first year of the founding of China Wangmang. That is, in 9 AD. Wei Lue, quoted earlier, mentioned that the State of Chen between Wang Mang and Huangdi had changed the first year of Chen Han and Huangdi to AD 20, which was roughly equivalent to that recorded in Korean history books. At the beginning of A.D., Mahan, the ruler of Chen Guo, replaced the descendants of Ji Zhun as the ruler of Three Khan, which marked the end of Chen Guo era and Chen Guo became the general name of Three Khan. It is in this sense that the Book of the Later Han Dynasty is correct to say that the three Koreas are "all ancient countries". The descendants of korean king lost their position as rulers, which means that the Mahan people who ruled Chen Guo completely controlled Mahan area. Since then, Wang Chen is not only the king of Chen Han, but also the king of Mahan, whose ruler is Mahan. This has not changed, and his king is still called Wang Chen. Although the three Koreas include other nationalities, it is reasonable that most of the rulers are Koreans, and Mahan reigned Mahan. In this sense, it is also correct to say in the Book of the Later Han Dynasty that "Mahan's greatest species is the land of Chen Yongguo, and it is all in Wang Sanhan". Because Mahan ruled the three Koreas as King Chen, but its capital was located in Mahan area, which was easily confused with "Qin and Han", so Jin people began to call it Qin and Han Dynasties to show the difference. Therefore, The History of the Three Kingdoms says that "Chen Han was also an ancient state of Chen" and "today it is called Qin and Han Dynasties".