In ancient times, the writing of the word "person" did not follow the worm, nor did it mean praise or blame. Later, joining the "worm" system meant that people in South China regarded dragons and snakes as totems. Nanman has a wide sphere of influence and many subordinates. The Yangtze River basin in the north of Vietnam is the range of activities of Naman tribes, and Chaoshan area is no exception.
According to Zheng Qiao's "Tongzhi" in the Southern Song Dynasty, all the Xia and Shang governors were in the south of the Yangtze River except Fang Fengjia. The influence of the Zhou Dynasty spread southward, but only to the Yangtze River basin. Moreover, Chu, Wu, Yue and other vassal States only gave Zhou a suzerainty, and their subordinates were still barbarians.