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The Nu people have a population of 27,000 people. The Nu are mainly found in the Nujiang Lisu Autonomous Prefecture and Diqing Tibetan Autonomous Prefecture in Yunnan Province.

The Nu is the self-proclaimed name of this ethnic group, and there are also "Nusu", "Ah Nu", "Ah Long" and other self-proclaimed names, and later collectively called the Nu.

The Nu people have their own language, belonging to the Tibeto-Burman group of the Sino-Tibetan language family, but the dialect varies greatly from place to place, and there is no national script.

The Nu mainly believe in primitive religions, and some of the Nu people in the neighboring areas of Tibet believe in Tibetan Buddhism, while some of them believe in Catholicism and Christianity.

The Nu people operated agriculture very early. Li Sicong in the Ming Dynasty, "Hundred Classes of Biography" book recorded that the Nu people to buckwheat for food (a kind of buckwheat), but also said that the Nu people, "fine for the bamboo, weaving red textile linen," indicating that the Nu people at that time, handicrafts also have considerable development. In recent decades, due to the widespread use of iron plows in farming, the Nu agriculture only got rid of the slash-and-burn situation.

The Nu people have two kinds of housing: plank houses and gabion houses. Plank house is slightly larger, rectangular, generally divided into two inside and outside; outside the guest room, with one to several fire pit, fire pit on the iron tripod or stone tripod, used to cook cooking, the inner room for the master bedroom. Generally, the house is surrounded by wooden boards and bamboo gabions, the roof is covered with wooden boards or stone boards, and the lower part of the house is covered with many wooden stakes and pillars, as if there are many feet supporting the whole house. This kind of "thousand feet landing house" structure is simple, very easy to build, is the Nu specific living environment of the unique creation.

Nu men's clothing is similar to that of the Lisu people, generally wearing a long linen coat and shorts, with long hair and a long ear; most of the men wear a string of coral in their left ear, a machete on their left waist, and a crossbow and archery bag on their right shoulder, which makes them look heroic and tough. Nu women wear linen made of left lapel blouse, wearing a long skirt, like to wear colorful beads strung in front of the chest collar. Some women use coral, agate, shells, silver coins and other strings to make beautiful headdresses or chest ornaments, and they wear large copper rings hanging down from their ears. The most distinctive costume of the Nu people is called "Yodo". This kind of Nu women's weaving "Yodo", high level of craftsmanship, men can be worn during the day as clothing, night can be used as a quilt cover; women made into an apron tied around the waist, both cold and dirty, loved by the people.

Nu women from a young age to learn to twist the wool line, weaving wool socks, the girl grew up, to weave their own wool socks to the sweetheart, the young man if you accept the wool socks, said to accept the love of the girl. Therefore, to see a Nu young man has no object, as long as to see his feet wear on the wool socks on the line.

The Nu people like to brew their own wine, and whenever a guest comes, they treat him with wine. If the guest as a close friend, they will be face to face with the guest, mouth to mouth, one hand around the shoulder, one hand end of the cup, face up to drink the wine, which is called "concentric wine".

The Nu people often use a traditional musical instrument called the "Dachu", which is shaped like a lute, oval or triangular, with four silk strings, and its sound quality is exceptionally clear and bright, with an exceptionally unique flavor. Almost all Nu youths play and sing the four-stringed dacha to express their hearts with the sound of the instrument.

Every year on the 15th day of the 3rd lunar month, the Nu people celebrate the Mountain Pilgrimage Festival (also known as the "Flower Festival"). On the day of the festival, the whole village gathered together to go to the local stalactite cave to catch the water dripping from the stalactites in the cave, which is called "immortal milk". After returning home, the "immortal milk" is sprinkled into the seeds to pray for a good harvest in the coming year; there are also "immortal milk" poured into vinegar, wine, in order to get well and disease-free.