中华民族的史册上,有这么一页是永垂不朽的:唐初,位于我国西部的吐蕃奴隶主统一了青藏高原各部落后,又向南方占领了云南洱海地区和四川的盐源地区,直逼成都,严重地威胁着我国西南地区各族人民的安全,面对这种形势,唐王朝在设置青岭、弄栋两县的基础上,于公元664年,开设姚州都督府,统一指挥云南各部落抗御吐蕃 In the annals of the Chinese nation, there is such a page that is immortal in the early Tang Dynasty. In the early Tang Dynasty, the Tibetan slave owners located in the western part of our country unified the tribes of the Qinghai-Tibet Plateau and then occupied the Erhai Lake in Yunnan and the Yanyuan area in Sichuan, Seriously threaten the security of people of all nationalities in southwest China. Facing this kind of situation, on the basis of setting up Qingling and Nongdong counties in the Tang Dynasty, in 664 AD, the government of Yaoshou was opened and all the tribes of Yunnan Anti-Tubo