There are many types of Sikong officers in Han dynasty, which are mainly divided into four categories: Sangong Guan Sikong, Chaoguan Sikong of Non-Sangong Guan,Sikong in officers of Kindom and Sikong in officers of local officers. Although Han dynasty Sikong and official's category are roughly the same and they change name from each other, there is still a separate study value. Excellencies, the wide range of literature as well as its objects has roughly more than 20 kinds. The Luyi of Sagong officials in Han dynasty had much difference from senior to junior, their difference are from Wandan to 160 Dan.