Not credible. Hua tuo kindly operated on Cao Cao, but Cao Cao thought Hua tuo was going to kill him. Zhao Tuo (237 BC-BC 137), aged 67, was a famous general of the Qin Dynasty and the founder of Nanyue State. He was the first king of South Vietnam, who reigned from 204 BC to 137 BC and was called "the Emperor of South Vietnam". A native of Calm County (now Zhengding County, Hebei Province, China), Hengshan County, Qin Dynasty. Appointed by Qin Shihuang, Ren Xiao led 500,000 troops south to Ping Ling. In 2 14 BC, after Lingnan was pacified, Zhao Tuo was appointed as the first Longchuan county magistrate because of its extremely important geographical position and military value. Until 208 BC, Zhao Tuo was transferred to Nanhai County Commandant and served as Longchuan County Commander for six years. During his tenure as commander of Longchuan County and commandant of Nanhai County, and after establishing South Vietnam as the self-styled "King of South Vietnam", he has been carrying out the policy of "harmonizing and compiling hundreds of Vietnamese", which has promoted the ethnic integration between China and Vietnam, brought the advanced culture of the Central Plains to the land of South Vietnam and made South Vietnam develop well.

Young Zhao Tuo is brave and good at fighting. In the 28th year of Qin Shihuang (2 19 BC), Zhao Tuo, who was only 18 years old, was appointed as the deputy commander-in-chief of the 500,000-strong army. In the thirty-third year of Qin Shihuang (2 14 BC), Zhao Tuo, who was only 23 years old, was appointed as the first Longchuan county magistrate. In 208 BC, Ren Tao, the prefect of Nanhai County, died of illness, and Zhao Tuo continued to serve as the prefect of Nanhai County at the age of 29. In 204 BC, Nanyue State was established, calling itself the King of Nanyue, with Panyu (now Guangzhou) as its capital, at the age of 33. In the 11th year of Emperor Gaozu of the Han Dynasty (196 BC), Zhao Tuo was made King of Nanyue by the Han Dynasty at the age of 4 1. Emperor gaozu Lv Zhi (183 BC) and Zhao Tuo claimed to be the Emperor Wu of South Vietnam at the age of 54. In BC 179, after Lv Hou's death, Liu Heng, Emperor of China, ascended the throne, and Zhao Tuo boarded the Emperor and returned to the Han Dynasty, still known as the King of South Vietnam, at the age of 58. This is what we often say: Zhao Tuo belongs to Han. Four years after the founding of Liu Che (137 BC), Zhao Tuo, king of South Vietnam, died of illness and was buried in the northeast of Panyu at the age of1kloc-0/,making him the oldest king in China history. After his death, Sun (Hu in Historical Records) and his descendants, Zhao Xing and Zhao Jiande continued to serve as four generations of South Vietnamese kings. In the sixth year of Ding Yuan in Liu Che (1 1 1), the state of Nanyue perished. From 204 BC, the state of Nanyue lasted for 93 years, and five generations of Nanyue kings were handed down. * * * Zhao Tuo was king for 67 years, and his descendants were * * * for 26 years.

From the 28th year of Qin Shihuang (2 19 BC), Zhao Tuo served as the deputy commander-in-chief of 500,000 troops to the 4th year of Liu Che Jianyuan (2 137 BC), he worked hard for the unification and development of Lingnan for 82 spring and autumn periods, including 5 years as the deputy commander-in-chief of 500,000 troops, 6 years as the magistrate of Longchuan County, 4 years as the commander-in-chief of Hainan County and 63 years as the emperor of South Vietnam.

During Zhao Tuo's administration, he adopted the ethnic policy of "harmony without difference, making a hundred steps at the same time", which promoted the ethnic integration and economic and cultural development of Lingnan and made great contributions to the great cause of the reunification of the motherland.

During his six years in Longchuan County, Zhao Tuo did many good deeds and practical things for the people.