From the mid-Spring and Autumn Period to the early Warring States Period, the silk industry of Chu was enough to represent the highest level of silk technology in China.
But from an archaeological point of view, there is no such thing as Chu Xiu. It is a folk name that is used to regional division, such as Suzhou embroidery, Shu embroidery, Xiang embroidery and Guang embroidery.