Yang Shen gone to Yunnan had not for demotion, army or travel, but had been exiled long-life to the most strenuous area far from the center.

• 摘要杨慎之到云南，并非传统意义上的贬谪、从军、旅行，而是改变户籍、罚作军役的永远充军烟瘴。