绥远地区县建制的设立时间早晚差距很大，部分县在县建制确立前曾以厅、设治局的建制形式存在，但都承担着县级政权的职能。
Some counties in the Suiyuan area existed in the form of the Office organic form and the Administrative Bureau organic form before the establishment of the system of County , but they still undertook the functions of county government .
设治局