Does Yuanjiang hukou need Yiyang residence permit?

No need. According to the Chinese government website, local residents do not need a residence permit, and the household registration book is used as proof of residence. Residence permit is an attempt made by some developed cities in China to learn from the green card system of developed countries, which has accumulated experience for China to formulate skilled migration measures and eventually form the national green card system of China. Holders of residence permits can enjoy the treatment of local residents.