唐高宗时期,关中地区的冬小麦大面积种植,与此同时,府兵制逐渐衰退,最终崩溃。二者之间,存在着一定的内在联系。冬小麦在关中地区扩张之后,二年三作的新的耕作制度形成,这种耕作制度带来闲暇时间的变化以及农事时间的变化,使得府兵训练无法保证,府兵在番上时间与耕作时间上发生冲突,加之耕牛等大牲畜的损失,府兵家庭在经济地位中处于劣势,最终导致府兵制度从内部开始瓦解。

The winter wheat planting greatly expanded in Guanzhong area during the period of Emperor Gaozong .At the same time, the Fubing system gradually declined .There was a certain internal relationship between them .After the expansion of winter wheat planting in the Guanzhong area , new farming system was formed .The farming system brought the change of leisure time and farming time , which made the Fubing training not be assured , since there was the conflict between training and farming .In additional , the family of fubing became disadvantage in the economy because of the loss of cattle and other livestock , which resulted in the internal collapse of Fubing system .

禁军中的老弱病残通常被降退为剩员,这是北宋兵制的一项制度规定。但北宋禁军有诸班直、上四军、普通禁军等组成,不同禁军降退为剩员的情况各不相同。诸班直军士在北宋前三朝很少被降退为剩员,上四军军士在宋神宗军事改革之前,大多被降退为带甲剩员,带甲剩员在军事改革后逐渐被取缔。普通禁军则被降退为剩员或小分。

In Northern Song dynasty, the sick and elderly of Jin Forces are usually demoted to ShengYuan Forces, which is a rule of the military regulation .The Jin Forces of Northern Song dynasty is made up of Zhubanzhi Forces、Shangsi Forces、Ordinary Forces, etc. How they are demoted is different. The soldiers of Zhubanzhi Forces are rarely demoted as ShengYuan Forces before the three dynasties in Northern Song dynasty.The soldiers of Shangsi Forces are mostly demoted as Daijiashengyuan before the Song Emperor Shenzong’s military reform, but the Daijiashengyuan is gradually banned after the Song Emperor Shenzong''s military reform .The soldiers of Ordinary Forces are demoted as ShengYuan or XiaoFen.

府兵制对西魏北周胡汉民族关系的改善有积极意义。从族群关系理论的角度去考察，这种制度打破了胡汉族群分层的界限，之后又形成了一种新的社会上下流动机制。居住格局也由原来的胡汉军士各自分居走向相互混杂居。胡汉两族人民对职业、社会分工的选择也更为自由，出现了兵农合一的局面。另外宇文泰在行政体制上采用周制，而在军事方面实行八柱国制度和改胡姓的政策也促进了胡汉两种制度的相互融合。这恰恰又体现了现了胡汉两个族群相互交流，由多元的族群文化走向隋唐大一统政治格局的过程。

Mansion Army System was positively significant to the improvement of ethnic relations between Northern Barbarian Tribes in ancient China and Han nationality in the period of Western Wei Dynasty and Northern Zhou Dy -nasty.In the view of ethnic relations theory , the implementation of Mansion Army System had broken the boundary of dividing level of Northern Barbarian Tribes and Han nationality , and later formed a new social mobility mecha-nism up and down , separated living pattern also from their ranks to mix with each other.Career choices of Hu and Han peoples also become more freedom , eventually soldiers and farmers have merged together.In addition changing the family names of Northern Barbarian Tribes and establishing Eight Column National System or Bazhuguo System had also promoted the integration of two systems of Northern Barbarian Tribes and Han nationality.It precisely re-flects that Hu and Han ethnic groups are a mutual exchange , and diverse ethnic cultures moves