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Until the 1950s, as Tibetan society had been in a closed state, its music also stayed in the inherent traditional form for a long time. In terms of categorization, music theory generally divides Tibetan traditional music into four types: court music, folk music, religious music, and theater music. There is also a trichotomy that categorizes theater music as folk music.　Court Music The court music of Tibet generally refers to the music of the Potala Palace in the middle of the last century, as well as the music of the living Buddha's court in monasteries around the world. Although in the Tubo dynasty there was a "Zambu Guru", but because only limited to the lyrics and did not see the music (sheet music), so it remains to be proved. For cloud music and dance music can be divided into three types: - "Gaer" (dance) music, it is a free, broad and long song and dance music, often by the "Su Na" (wind music), Dharma drums and harp flutes.　　-- Garrul" (song) music is a kind of melodious and elegant "Garrul" songs, which are often played by "Zainian", yangqin, "Biwang" (stringed instrument), "Bewang" (stringed instrument), and "Bewang" (stringed instrument). It is a melodious and elegant "gaeru" song, often accompanied by the zanen, yangqin, "biwang" (stringed instrument), flute, and "genka" (stringed instrument).　　--Welcome drum music and light music, belonging to pure instrumental music, in which welcome drum music is often played by instruments such as "Suna", Dama drum and harp flute, while light music is often played by two instruments, namely, harp flute and Dama drum.　　Palace music in Tibetan traditional music belongs to a higher class, it is often the content of religious performance or religious with praise content. In the past, the performers of the music and dance for the clouds were all men, to show the holiness and sacredness of religion.　　Folk Music Folk music occupies a large proportion of traditional music in Tibet, no matter from the varieties and quantities, or from the richness of the content, no matter from the coverage, or from the frequency of performances, it is at the top of the four categories of Tibetan music. From the genre, folk music can be divided into song and dance, folk songs, labor songs, rap and instrumental music.　　--Song and dance music. Tibet enjoys the reputation of "the ocean of songs and dances", there must be songs and dances, and there must be songs and dances, and songs and dances have become one of the most important features of Tibetan music. This characteristic is due to the special geographical environment and way of life. As we all know, the Tibetan Plateau has high altitude and cold climate, and the people living on this piece of land, whenever they sing a song, they will not be able to dance, day after day, year after year, which has become a practice. For one thing, the "dance" will express the content of the song to the fullest, and for another, the "dance" will achieve the effect of warmth, which is also one of the special functions of the Tibetan art of song and dance.