Erhu started in the Tang Dynasty and has a history of more than 1 years. It first originated from a minority in the northern part of ancient China, then called Xiqin. Le Shu, written by Chen Yi, a scholar in Song Dynasty, records the music of the Hu Qin ... The poems of but we drink to our guest bound home from camp and and play him barbarian lutes, guitars, harps written by Cen Can, a poet in Tang Dynasty, which shows that the Hu Qin has begun to spread in Tang Dynasty, and it is the floorboard of Chinese and western stringed instruments and plucked instruments. Erhu was mainly popular in the middle and lower reaches of the Yangtze River in the past, so it was also called Nanhu. Focusing on the performance in the high-pitched range, the timbre is close to human voice, and the emotional expression is extremely high, which is widely accepted by the public. In the 192s, erhu first appeared on the stage as a solo instrument. Prior to this, erhu was mostly used for folk music performance or accompaniment of folk songs and operas.