The violin is a Western bowed string instrument that originated in the 17th century. It is approximately 35.5 centimeters long and is made by bonding panels, backboards, and sideboards. It is mainly made of materials such as spruce and maple.

The strings produce sound through friction and vibration of the bow, and the four strings are made of sheep gut strings, metal wire, or nylon material. As the core instrument of modern orchestral string groups, they are known as one of the world's three major instruments along with the piano and classical guitar. This instrument consists of more than 30 components. In the late 18th and early 19th centuries, the bow was improved and shaped by Fran ç ois Turt. In the 19th century, a chin rest was added to free up left-handed playing techniques, and the neck and fingerboard were extended to adapt to changes in string tension. During performance, it is possible to achieve double, triple, and chord separation by simultaneously touching the strings. Techniques such as left-hand vibrato and overtones constitute the basic skills of performance.

The early prototype can be traced back to ancient Greece's lyre and Arabia's Labab. In the 16th century, the first violin was made in Dasaro, Italy, and the Amari family established the tradition of Cremona violin making. In the 18th century, French qin makers improved the structure of the qin body, L ü bo improved the shape of the qin body, and Turt optimized the bow design. The production of Chinese violins began in the early 20th century, with Situ Mengyan learning from Goss to make the first domestically produced violin, and Wang Mei using domestically produced wood to complete localized production.