Then came popular folk painting -- Chinese New Year pictures pinned up on doors, room walls and windows on the Chinese New Year to invite heavenly blessings and ward off disasters and evil spirits - which dates back to the Qin and Han dynasties. Thanks to the invention of block printing, folk painting became popular in the Song Dynasty and reached its zenith of sophistication in the Qing. Woodcuts have become increasingly diverse in style, variety, theme and artistic form since the early 1980s. Classification of Chinese Traditional Painting
