1, silk pinyin: [jiā n bó]; In ancient China, silk was the carrier of knowledge. Generally called silk book, some people call it silk book; Because its color is white, it is also called a plain book. Silk script originated in the Spring and Autumn Period and prevailed in the Han Dynasty, which coexisted with bamboo slips and subsequent writing carriers for a long time. Silk is soft and light, wide in format and suitable for painting, which are advantages that bamboo slips do not have. However, it is too expensive for ordinary people to use, and once written, it is not convenient to change, so it is generally only used as the final version, so it has been unable to replace bamboo slips as the main carrier of recording knowledge.

2. The records of silk books in ancient literature are mostly related to the collections of the royal family and nobles. After paper was widely used in Jin Dynasty, silk was still in use, but it was basically used as a writing and painting material for some documents, calligraphy and painting.