Clean long, total length of about 80 m, is divided into four sections, two head to embark. The ancients in bamboo book, long with the ancient bamboo tube, twists and turns to show the ancient, in the form of the officer. Carved on the long ancient honest official pro four volumes, respectively is: is the heart in the article, the article, his or her duties, the people, the function of science is also needed for the interpretation of the officer toward demeanor.