西魏北周历史舞台上的主角是宇文氏家族 ,本文讨论的西魏北周中央集权加强的问题 ,实际上是在讨论宇文氏家族的在西魏北周时期发展轨迹的一个问题。笔者认为西魏北周中央集权加强的过程 ,分为三个阶段 :第一阶段 ,是宇文泰如何稳定了宇文氏家族在西魏的领导地位 ,成为众多家族? The protagonist of the historical stage of the Western Wei and North Zhou Dynasties is the Yuwen family. The issue of centralization and strengthening of the Western Wei and Northern Zhou dynasties discussed in this paper is actually a question of the development of the Yuwen’s family during the Western Wei Dynasty and the Northern Zhou Dynasty. The author believes that the process of centralization of power in the Western Wei and Northern Zhou Dynasties is divided into three stages: The first stage is how Yuwen Tai stabilized the leadership of the Yuwen family in Western Wei Dynasty and became many families?