豆沙关,是古代“南方丝绸之路”的重要组成部分。自古以来,豆沙关的山雄、水雄、城雄、路雄,于是就有了“雄关古道”的称谓。如果说,从唐贞观元年起,盐津豆沙关是古代中原内地入滇要道上的雄关险隘,由此成为“咽喉西蜀,锁钥南滇”的南诏国门的话,那么,走进豆沙关,就推开了云南的门,跨入彩云的家。豆沙关,其实就是一处“天高皇帝远”的边关,一座南诏时期的国门。豆沙关城门 Bean off, is the ancient “Southern Silk Road ” an important part. Since ancient times, the bean-off Guan Shanxiong, Shuixiong, Chengxiong, Lu Xiong, so there will be “Xiong Guan Road” title. If we say that since the first year of Tang Dynasty Guanzhong, the salt and bean paste Guanzhong is the key to the ancient Central Plain’s entry into the Daoist route of the Central Plains, thus becoming the Nanzhao Gate of the Kingdom with “Throat Xushu and South Yunnan Key Locks.” Then, Bean off, they opened the door to Yunnan, into the clouds of the home. Bean off, in fact, is a “Heaven Emperor” is far, a Nanzhao period of the country. Bean sand off the city gate