Salt Street Salt Bureau, the official residence has nowhere to find, only this mark position of the brand. The salt made by the cooking salt cooker in ancient times will be handed over to the salt bureau, the salt officer then distributes the salt to various places for marketing, the endless supply of salt horse help here, go east to Dali, south to Baoshan, west to Tengchong, Myanmar, north to Lijiang, Tibet on the "salt (tea) horse ancient road".