Hu Qin, a Korean stringed instrument, is also known as Hu Qin and Xiang Hu. It is also known as Hu Qin, Ji (Tongxi) Qin, also known as Xi Hu and Xiang Hu. It has a long history, simple shape, soft pronunciation and beautiful timbre. It can be used for solo, ensemble or accompaniment to songs and dances. It is popular in Liaoning, Jilin and Hunan. Especially in Yanbian Korean Autonomous Prefecture, Jilin Province. It is popular in Yanbian Korean Autonomous Prefecture, Jilin Province. Huqin was introduced to North Korea in the Tang and Song Dynasties. The "Rules of Learning Music" compiled by North Korea's Chengshu (with a sequence of 1494) reads: "... use the bamboo bow and ponytail string of Dalbergia (scraping the green skin) or Wuzhuhai to roll it with turpentine. Press it with the left hand and roll it with the right hand. There are two kinds: semi-spherical and long cylindrical. The front is made of thin plate of paulownia wood. The piano is made of wood. The piano head is crescent-shaped and unadorned. The two shafts are placed on the right side of the upper part of the piano, parallel to the piano barrel, and the top of the shaft is twisted into a gourd shape. Two silk or steel strings are placed. The five-degree tuning range is A and E. In ancient times, the Han people in the Central Plains collectively referred to the ethnic minorities living in the north and northwest as Hu. They are all titled with Hu characters. In Records of the Five Elements of the Later Han Dynasty, there are: "Lingdi loves Hu clothes, ... Hu Zan, Hu Di, Hu Dance, ..." ... Han Liuxi's Interpretation of Names contains the sentence: "Pi Ba originated from Hu Zhong", and the pipa was named Hu Qin in the early Tang Dynasty. It is also known as the Huqin. Huqin is a general term for the musical instruments used by ethnic minorities in the north and northwest of China in ancient times, and it was only used as a special name for the stringed instruments of Huqin in modern times. Huqin began in the Tang Dynasty. In the Le Shu (Volume 128) written by Chen Yang, a music theorist in the Song Dynasty in 199, it was written: "Huqin is a musical instrument, but it is similar in shape because of its stringed strings, and it is a musical instrument." The installation direction of the two-stringed axes is opposite to that of today's erhu, and it doesn't need a thousand pounds. The Xi people were called Kumoxi in the Northern and Southern Dynasties, and lived in the Xilamulun River valley in the northeast of China. At the end of the Tang Dynasty, some Xi people moved westward to Gui Zhou (now Huailai County, Hebei Province), which was also called Xixi. During the Five Dynasties and Ten Kingdoms, the East and West Xi gradually merged with the Qidan people. According to Chen Yun's research,