Guzheng, also known as Han Zheng and Qin Zheng, is an ancient national musical instrument of Han nationality, which is popular all over China. Solos, ensembles, instrumental ensembles and accompaniments, which are often used in song and dance, traditional opera and folk art, are known as "the king of music" and "Oriental piano" because of their wide range, beautiful timbre, rich playing skills and strong expressive force, and are one of the unique and important national musical instruments in China.