The pen holder is one of the most common pen holders. It is generally cylindrical and has a variety of materials. It can be seen from bamboo, wood, porcelain, lacquer, jade, ivory, purple sand, etc., and it is a permanent object on the writings of literati. In ancient times, the pen holder was favored by literati and inscribers for its artistic personality and high cultural taste. Modern people often put pens and small tools on their desks, and small items necessary for office workers.