From the fourteenth century, the system which including manorial system, feoff system, chivalry and guild system gradually declined. This phenomenon indicated the production relations of feudal system are not suited for the development of productive forces any more. 从十四世纪起,欧洲的庄园制度、采邑制度、骑士制度以及行会制度逐渐走向衰落,标志着封建制生产关系不再适应生产力的发展。