京兆杜氏家族是中国古代历史上一个绵延几个世纪、杰出人物辈出的家族。魏晋南北朝以来,杜氏成为声名显赫的门阀,在社会政治文化生活中留下了不同寻常的印记。追溯杜氏家族的形成和发展历程,对了解中古社会史中的世家大族的发展史,无疑是大有裨益的。杜氏在上古为祁姓。祁是一 Jingzhao Du’s family is a family of prominent figures in ancient Chinese history that stretches for centuries. Since the Wei, Jin and Southern and Northern Dynasties, Du has become the prestigious gatekeeper, leaving an unusual mark in the social, political and cultural life. It is undoubtedly helpful to trace the history of the formation and development of the Du’s family and understand the history of the family and the great family in the social history of the Middle Ages. Du in the ancient as Qi. Qi is one