The ancient circle cloth is good, and the ancient silk cloth is characterized by compact texture, smoothness and softness. There are two kinds of fabrics: yarn-dyed and semi-dyed. Ancient silk was a plain fabric made of real silk. Ancient silk fabrics were used as clothing linings, such as those in the Han and Tang Dynasties. At present, due to the change of fineness and density of warp and weft, the thickness of silk fabrics is different, which can meet the needs of various lining materials. Silk is a plain fabric made of real silk.