西周王朝大体上可以认为是一个拥有中国、四土、四国及多方、不廷方三部分的统一的主权国家 ,西周王朝与四土、四国各封国之间的关系基本上可以视为中央与地方之间的关系。尽管西周封国在世袭、独立性及有井田制等方面为后世的地方政区制度所不容 ,然此正为其时代特色。五服之制是周公制礼的重要内容之一 ,其目的在于加强和调整西周王朝中央和地方的关系 ,因此 ,它是解开西周王朝国家结构形式之谜的一把钥匙。 The Western Zhou Dynasty can be generally regarded as a unified sovereign country with three parts of China, four tribes, four nations, and no tributaries. The relationship between the Western Zhou Dynasty and the four major states and the four captive states can basically be regarded as the central and local The relationship between. Although the Western Zhou dynasty was not tolerated by later local political systems in terms of heredity, independence, and well-field system, it is precisely the characteristics of the times. The five-serving system is one of the important contents of the ritual system of Zhou Gong. Its purpose is to strengthen and adjust the relations between the central and local governments of the Western Zhou dynasty. Therefore, it is a key to solve the mystery of the state structure of the Western Zhou dynasty.