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The music industry believes that the sounding instrument used for music is the musical instrument; the musical instrument field usually regards many sounding instruments in non-musical fields, such as the golden drums in ancient wars, the instruments beaten in religious prayers and chanting, weddings and funerals. The ceremonial signals and the signal devices solicited by traders are also regarded as musical instruments, and even some production labor tools and daily life utensils, such as bows, saws, pestles, pots, cups, saucers, cups, bowls, etc., are played. At the time, they were all crowned with the word music, and they were called music bows, music saws, music cups, music pestles, etc. The main products of the musical instrument industry are basically musical instruments involved in the music industry, that is, instruments that can be used to recreate musical art. In addition, a small number of horse bells, camel bells, oil brands and car and ship horns are produced. The production of musical instruments is different from the production of general industrial products. It not only requires the product to have a reasonable and beautiful appearance, but also must have good acoustic quality, including timbre, music and specified pitch height. Therefore, the selection of materials is very strict. National musical instruments are divided into four categories: body-sounding instruments, membrane-sounding instruments, air-sounding instruments, and string-sounding instruments. Chinese national musical instruments have a long history and a long history. Only from the unearthed cultural relics can be confirmed: as far back as the pre-Qin period, there were a variety of musical instruments. Such as the bone whistle unearthed in Hemudu, Zhejiang, the cultural site of the Neolithic Age, the Jiahu bone flute in Wuyang County, Henan (the earliest flute was about 8,000 years ago), the Xun unearthed in Banpo Village, Xi'an, the Yangshao Cultural Site, and the stone unearthed in Yin Ruins, Anyang, Henan Chime, wood-tuned python skin drum; bells, chimes, hanging drums, jian drums, flannel drums, pan flutes, sheng, chi, se, etc.