秦王嬴政于公元前230年至公元前221年,经过10年的兼并战争,统一六国,建立了我国历史上第一个统一的多民族的封建王朝,历史上称为秦朝。秦朝实行中央集权的专制统治,地方上实行郡县制。当时的宁夏全境尽入大秦版图,成为秦朝36郡之一的北地郡的一部分。县一级建制可考者有乌氏县(今固原市南)、朝那县(朝那,音朱挪,今固原市东南)、朐衍县(朐,音渠,在今盐池县境)、富平县(今吴忠西南)等。从此,宁夏被置于中央封建王朝的统治之下,开始了封建经济时代。 In 230 BC BC, 221 BC, after a decade of merger wars and the reunification of the six countries, Qin Wang Chengzheng established the first unified and multi-ethnic feudal dynasty in history in our country. Historically, it was called the Qin Dynasty. Qin autocratic autocratic rule, local implementation of the county system. At that time, Ningxia made its way into the territory of Daqin and became part of Beidi-gun, one of the 36 counties in the Qin Dynasty. At the county level, there are candidates for Wushu County (now Guyuan City South), Chana County (North Korea) , Fuping County (now Wuzhong Southwest) and so on. Since then, Ningxia was placed under the rule of the Central Feudalism and started the feudal economic era.