Roll the zither, rub the stringed musical instrument. Traditional musical instruments popular in Hebei, Henan, Fujian, Guangxi, Jilin and Yanbian regions of China. Rolling zheng has a long history, according to "Old Tang Book Music Records": "To roll a zheng, use bamboo slices to moisten its end and roll it.

"Song Chenyang's "Book of Music" has its own painted images. The shape is similar to that of the zither and the serpent. It is a rectangular resonance box. There are several strings on the panel, which are played by wiping the strings with slender bamboo slices. Looking at the poem Li Zhongcheng Hong Ermei Sings the Song of the Guzheng, it vividly describes the scene of playing the Guzheng at that time. During the Song and Yuan Dynasties, the Guzheng was also known as "Zhen". Zhen, shaped like a serenade, with both ends square, seven strings and seven columns, with bamboo moistening its ends and rolling it. "Up to the Qing Dynasty, the shape and structure remained unchanged, but the number of strings increased from 7 to 10.