魏晋南北朝是我国封建社会的战乱时期,但乱中有变,小农经济与市场并非漆黑一团。北魏太和九年(485)实行了均田制,农民从政府那里得到一定数额的土地,再以租庸调形式为封建国家尽义务。西魏、北齐、北周、隋以至唐前期,均继承北魏均田制。在这种土地制下,个体小农经济得到了空前发展,“开皇之治”、“贞观之治”、“开元盛世”均与此有关。隋唐时期是均田制下小农经济潜力发挥得最为出色的时期,开元天宝时出现了“耕者益力,四海之内,高山绝壑, The Wei, Jin and the Southern and Northern Dynasties were the period of war in our country’s feudal society. However, there were changes in the chaos, and the peasant economy and the market were not dark. In the Northern Wei Dynasty and Taihe nine years (485) implemented a system of equal land, farmers get a certain amount of land from the government, and then to rent the form of mediation for the feudal state to do its duty. Western Wei, Northern Qi Dynasty, Northern Zhou Dynasty, Sui and even the early Tang Dynasty, are inherited the Northern Wei Dynasty field system. Under this land system, the individual peasant economy has enjoyed unprecedented growth. The policies of “Kai Huang”, “Zhenguan Zhi Zhi” and “Kaiyuan Yuan” are all related to this. During the Sui and Tang dynasties, the potential for small-scale peasants’ economic development under the all-land system was most outstanding. In the time of Kaiyuan Tianbao, there emerged the concept of "