The paper discusses the establishment of criminal prison official,abolishing duty scope and employees,systematically introduces the establishment of interrogative court Imperial surveying official and their duties.

Based on the contents of science and technology knowledge written in Benji of Song Shi,such scientometrics analysis like sentence frequency can show the degrees of attentions by the emperors of Song Dynasty,which can be used as the index of the science and technology policy in that time.

Song Shi(History of Song Dynasty) which contains abundant scientific and technical knowledge,is an important raw material for the study of the history of science and technology in the Song Dynasty.

This paper studies the records of worship of Heaven in the south in Song Shi in terms of the source materials,the value of the historical facts and the problems in it.

In the process of writing the history of the Song dynasty,the scholars of the Ming dynasty experienced a transition from emphasizing "the differences between the Han nationality and the minority nationalities" to attaching much importance to all historical and cultural facts and identities.

The paper gives the discriminations,corrections and supplements on the main errors,omissions and ambiguities in the Biography of Liu Qi in The History of Song Dynasty.