An Investigation into the Official System of "Lantai"

Lantai,as an important imperial place for a collection of books in the Western and Eastern Han Dynasties,is the workplace for the Imperial Minister to handle affairs and for scholars to recruit secretaries and compile books.Many official functions can trace back to Lantai such as secretariat history,recording officer imperial and surveying official etc.The paper attempts to outline the true Lantai on the basis of filing the historical allusions.