2. The earliest historical record of southern China is the first year of Xingping in the Eastern Han Dynasty (A.D. 194). Southland is located in Nanchong City, the second largest city in Sichuan Province, and the former residence of Zhu De is Yilong County. There is a tall yew on Jincheng Mountain. This red bean tree has a history of more than 500 years. The tree is 20 meters high, the root diameter is about 1 m, and the green leaves are lush and tall.

3. During the Southern Song Dynasty, overseas Chinese moved to Mianyang City to settle down, governing Langzhong (county governance), Han An, Xiguo (national reform to Xichong), Nanguo (national reform to Nanchong) and Lamb County.

4. During the Southern Dynasties, the establishment of counties remained unchanged. In the Tang Dynasty, the former residence of Zhu De in Anhange, Nanchong, was located in the south of Lishan Mountain, with three counties in the territory, which governed Langzhou (Langzhong County), Langzhong (Langzhong reform, state and county governance), Sigong (now Langzhong State) and other 19 counties.