Bayan da Qin Shi Huang ya mamaye wasu masarautun kasar Sin guda shida na Han, da Zhao, da Wei, da Chu, da Yan, da Qi, ya mai da hankalinsa ga kabilun Xiongnu na arewa da yamma da kuma kabilar Yue dari na kasar Sin a yanzu.Da yake kasuwanci ya kasance muhimmin tushen arziki ga al'ummar Baiyue dake gabar tekun kudancin kasar Sin, yankin kudancin kogin Yangtze ya jawo hankalin sarki Qin Shi Huang.Da yanayin yanayi mai kyau, filayen albarkatu, hanyoyin kasuwanci na ruwa, tsaro na dangi daga ƙungiyoyin yaƙi zuwa yamma da arewa maso yamma, da samun damar samun kayan alatu na wurare masu zafi daga kudu maso gabashin Asiya, sarkin ya aika da dakaru don cin nasara da masarautun Yue a shekara ta 221 KZ.^{[31 <>]} A shekara ta 218 KZ, Sarkin farko ya aika da Janar Tu Sui tare da sojojin Qin 500,000 don su rabu gida biyar kuma su kai hari kan kabilun Yue ɗari na yankin Lingnan.An aika balaguron soji akan yankin tsakanin 221 da 214 KZ.^[32] Zai ɗauki balaguron soji sau biyar a jere kafin Qin ya ci Yue a 214 KZ.^[33]