The traditional instrumental music of the Li nationality is drawn from the rich bamboo and wood resources of the folks, including solo music, ensemble music, song and dance music, sacrificial music and eight-music music; there are no less than 40 kinds of Li musical instruments, and the traditional instruments mainly include single-wood drum, dingdong, mouth bow, mouth worship, nose flute, and Zhuoba. The traditional instrumental music of the Li nationality originated in Baoting Li and Miao Autonomous County, Hainan Province. The "Taiping Huanyu Ji" in the early Song Dynasty said: "Qiongzhou gathered to promote drums and songs." It is said that the traditional instrumental music of the Li nationality was most popular during the Kangxi and Qianlong periods of the Qing Dynasty. The traditional instrumental music of the Li nationality is a treasure in the treasure house of the national instrumental music of the motherland. The bamboo and wood instrumental music contains the original ecological musical characteristics, the structure of the music is flexible and free, the melody is smooth, and the tone is simple and pure. It integrates many elements such as the traditional culture, aesthetic consciousness, and folk customs of the Li nationality, and is loved by the Li people. On June 7, 2008, the traditional musical instruments of the Li nationality were approved by the State Council to be included in the second batch of national intangible cultural heritage list. The original traditional instrumental music of the Li nationality is full of the colors of primitive music. The traditional music originated from the primitive social life, retains the phonology of primitive life, and shows the customs of the primitive life of the Li nationality. For example, the magnificent and heavy sound of the wooden drum and the simple drum score reflect the solemn scenes of primitive worship and sacrificial activities. The sonorous and pleasant dingdong sound makes people feel like they are in the primitive mountain orchid garden. The light and gentle nose flute and the fine and lingering mouth string tell the whispers of lovers. The pure and loud o lie, beep, broad and melodious mouth worship and dong shao (zhuo ba) present the colorful life scenes of the Li people such as labor, festivals, and joy. The traditional instrumental music of the Li nationality has the characteristics of simplicity and simplicity. The structure of the tune is mostly single, based on a melody and played repeatedly for many times. Only the speed changes in the repetition, and the repeated performance method deepens people's musical impression. In terms of the scale, most of them are the Zheng and Guan modes with pentatonic scale as the main mode. The tunes are generally based on the repetition of the same degree scale and the second degree scale. The melody does not fluctuate much, and the rhythm and beat are generally regular. [4] Representative works: Li instrumental music once had a glorious past. For example, the Li instrumental music "Dingdong" participated in the first National Music and Dance Festival in 1957 and received rave reviews. The "Koubai" instrument played by Li musician Lu Yuchang participated in the National Minority Art Festival in 1980. He played for more than 20 minutes without taking a breath, which won the applause of the audience. Musician Huang Huiji was recruited by the Guangdong National Song and Dance Troupe for playing the olie. The olie music "Meeting in the Mountain Orchid Garden" he played was invited to perform in Singapore, France, Spain, Italy and other countries from 1984 to 1992, and was well-known at home and abroad. [5] Inheritance significance: Li traditional musical instruments and music are unique in the music hall of the motherland. Musical instruments such as Dingdongmu, Bixiao, Mouth Bow, Olie, Dongshao (Zhuoba) are rare in China, and many of the music is unique to this ethnic group. It enriches the treasure house of the motherland's instrumental music and presents the diversity of the motherland's music culture. Under the impact of fashionable music, the traditional instrumental music of the Li nationality is gradually declining, and there is a lack of folk musicians, and the traditional music is also in danger of being lost. At the same time, we will comprehensively and thoroughly carry out the collection and notation of traditional music in order to preserve the heritage; vigorously cultivate inheritors to avoid the death of people and the extinction of art. Strengthen research, effectively reform traditional musical instruments, improve their expressiveness, insist on using them in various literary and artistic activities, and promote and display the unique charm of traditional music. Li musical instruments have their own value. Its initiation, development and final formation integrate a lot of information about national history, production, life, customs and customs, and vividly reflect the cultural traditions of this nation and this region. It provides important historical materials for anthropology, ethnology, folklore, and especially for the study of music culture.