What are the artistic features of China Neolithic silk patterns?

According to the available data, silk fabrics painted with decorative patterns before Shang dynasty have not been found so far, but clothing patterns can be seen from the decorative patterns of humanoid pottery in Yangshao culture period. The half-mountain humanoid hood unearthed from the Neolithic site in Lintao, Gansu, has regular lines and plane arrangements such as thickness, length, vertical and horizontal, cross and dot, and forms square, ripple, net pattern, straight line and triangle pattern, which evolved from woven pattern. Majiayao painted pottery humanoid ladle unearthed in Ding Ning, Gansu Province, and Miaodigou painted pottery humanoid bottle unearthed in Dadiwan, Qin 'an, Gansu Province are mainly geometric patterns. In terms of processing, black and white are used, and there are patterns at the bottom of the picture to form an overall decorative effect. Generally, black or crimson patterns are painted on red, yellow or gray ground, with few colors, but no obvious fading. It can be seen that the silk patterns in the Neolithic age in China have the artistic characteristics of simplicity, clarity, simplicity and roughness.