The Four Treasures of the Study,is a general name of the traditional writing tools of Chinese calligraphy, including writing brush, ink, paper and inkstone. The name of Wenfang refers to a scholar's study. Besides these four treasures, tools used in the study also include brush pots, brush rack,ink box, wrist-rest, brush washer and inkpad, all of which are necessities of the study. Classical products of the Four Treasures of the Study made by famous producers during the Tang and Song Dynasties, when styles of writing were very prosperous, were highly praised by later scholars.The invention and development of China's traditional culture and art are closely related to the Four Treasures of the Study.And to some extent,the Four Treasures of the Study represents an important element of traditional Chinese culture.