This paper collects the research results of ancient scholars' exegesis,collation and annotation on the Shi Ji Zheng family since the Shi Ji was written.With historical records set solution researches zhi yi ji's historical justice New collation draft and textual research of the historical records will note records Historical records will note textual research school related research work is given priority to,This paper reflects the research results of Shi Ji Zheng family in the way of collection and interpretation,and puts forward his own opinions in the form of commentaries on some doubtful points on the basis of previous studies.In the second part,three historical issues related to the state of Zheng are studied by using the method of double evidence and combining the handed down documents with unearthed cultural relics,It is concluded that the change of the relationship between Zhou and Zheng is a struggle between royal power and hegemony;Zheng Bok-duan was behind Yan to break the political pattern of the aristocracy and realize the centralization of the monarchy;During the Spring and Autumn Period,Zheng was important in both its geographical position and military and economic strength.It was concluded that Zheng was the first state to conquer Central Plains. |