The brush-holder (bitong) is carved from the section of the bamboo stem and outside is decorated with the carved high relief in different levels. Bamboo is a special plant for China and it symbolizes virtue and strength of the perfect man and official, who always follows the Confucian principles, who is wise and flexible as the stem of the bamboo, which bends but never breaks. The carver could reveal the peculiarities of the material as well as to tell us the literal and historic anecdote about the famous official Se An who lived in the 4th c. B.C.