The stringed instrument field among musical instruments refers to craftsmen who produce gayageum and geomungo. During the Joseon Dynasty, it was also called a pungryu or pungmungmuljang. The history of stringed instruments dates back to before the Three Kingdoms Period. The geomungo of six prefectures was invented by Wang Sanak of Goguryeo, and twelve lines of gayageum originated from Gaya. Geomungo was also referred to as Hyeonhakgeum, or cash, which means the most fundamental musical instrument, because black cranes gathered together at a solemn sound. Geomungo is a symbol of harmony among the Yaeak, the core of the political philosophy of oil prices, beyond entertainment, and was also a must-have item in the study of noblemen and scholars.

In addition to geomungo and gayageum, string instruments include Ajaeng, Haegeum, Daejaeng, Hyangbipa, Wolgeum, Wa Gonghu, Su Gonghu, and Yanggeum, among which Gayageum is largely divided into Jeongakyong and Sanjo. The main ingredient of the string instrument is an odong tree, which is used as an eulimtong, and chestnut wood, which is stronger than this, is used to support the sound. The craftsman who deals with stringed instruments thinks that the difference in sound quality is mainly related to the quality of the paulownia, so he puts his efforts into obtaining quality materials. Since ancient times, it has been widely recognized that the slow-growing Odong in the midst of barren rocks has a soft sound, and Seoksang-dong, recorded in "The Evil Scrolls," is related to this.

String instruments are among the areas that have been activated compared to other craft fields thanks to the success of Gugak. The late Kim Kwang-ju, Lee Young-soo, and Go Heung-gon have been recognized as national intangible cultural assets. In Gyeonggi-do, strings are tied and designated in the field of musical instrument No. 30-2. In 1999, Choi Tae-soon (born in 1941) was recognized for his function and actively taught to his son Choi Jung-wook and other students.