杜佑为我国唐代中期著名的政治家、经济学家和史学家,其所撰《通典》在历史上有着重要意义。然《旧唐书·杜佑传》包括其子式方、孙、牧的传记均存在诸多差讹,有夺字、衍文、形误等,严重影响了对杜佑,乃至其孙杜牧的研究。在此对疑义予以考辨,以求对中华书局组织的正在修订中的“二十四史”之一——《旧唐书》有所裨益。 Du You, a well-known politician, economist and historian in the middle of the Tang Dynasty in our country, wrote “Tongdian” which is of great significance in history. However, there are many mistakes in the biography of Old Tang Shu Du You, including his son-style, Sun and Mu herdsmen. In this question to be questioned, in order to Zhonghua Book Company is being revised in the “Twenty-Four Histories” one of the “Old Tang” benefit.