The Silk Road in Southern China lasted for more than 2,000 years.

Southern land Silk Road is "Shu - body poison road", because through the Hengduan Mountain area, also known as the mountain canyon Silk Road. Around the 4th century BC, when the Central Plains were divided, a silk road was opened between the Shu land (today's western Sichuan Plain) and body Poison. It lasted for more than two centuries and was unknown to the people of the Central Plains, so some people called it the Secret Silk Road. Until Zhang Qian went to the Western Regions, in Daxia found Shu cloth, Qiongzhu staff from the body poison transfer, he reported to the Han Emperor, Yuan Han Emperor sent Zhang Qian through the "Shu - body poison Road" in the first year (122 BC). From Qianwei (today's Yibin) sent people to trace five ways. All the way out Mang (now mau Burma), through the migration (today), three way out, (now hanyuan), four way out Qiong (now xichang), five ways out of the differential (now southwest of yibin). Angel stuck in kunming's,,,, respectively.
The Southern Silk Road consists of three roads, namely Ling Kwan Road, Wu Chi Road and Wing Cheong Road. The east and west branches of the Silk Road originated from Chengdu. The east branch ran along the Minjiang River to the Bo Road (modern Yibin), through Shimen Pass, and through Zhuti (modern Zhaotong), Hanyang (modern Hezhang), Wei (modern Qujing), and Dian (modern Kunming) to Yeyu (modern Dali). In the west supported by chengdu via Qiong (now qionglai), yan (now ya),, (now hanyuan), Qiong (now xichang), YanYuan, QingLing (yao), cuny (now xiangyun) to elm leaves, according to the spirit of tao. In the territory of Shan, and divided land, sea two ways to body poison.
The Silk Road in Southern China lasted for more than 2,000 years. Especially during the War of Resistance against Japanese Aggression, the sea passage in the rear area was cut off. The Burma Road and the China-India Road opened along the southwest Road of the Silk Road were unprecedentically busy in transportation and became the lifeline to support the rear area.