唐代坊市制度的发展变化

坊市制度是封建社会城市管理的基本制度。有唐一代，坊市制度的发展变化表现为前期制度上的严密化、细致化和后期实践中的滞后性和被冲击。这一发展趋势体现了政治上层建筑和社会经济现实之间的相对游离、失衡状态，上层建筑的变化总是落后于经济基础的发展变化。

Changes is the Rule of Urban Construction and Management in the Tang Dynasty

The rule of urban construction and management was the basic stipulation for governing cities and towns in theChinese feudal society. In the Tang Dynasty, its devlopment displayed thety of meticuosness and strictness in theregulation in the earlier stage, but in the later stage it was in a state of stagnation, so sluggish and slow in making anyalterations that it was frequently criticized , attacked and broken through.This tendency of evolution was chaaracterized bythe edative diareiahon or a state of unpairedness between the supersmicture and the economic basis, that is, variations of the superstruction always lag behind those of the economic basis.