Before the national identification, it was also called the White Clan, which is one of the ethnic minorities in China. Dai nationality has a long history and is closely related to Zhuang, Dong, Shui, Buyi, Li, Maonan and Gelao nationalities. , belonging to Zhuang Dong language family. They are descendants of Baiyue and Luoyue nationalities. Mainly engaged in agriculture. Temple towers, bamboo buildings and bamboo bridges show unique architectural art.

The main festivals of the Dai people are the Dai calendar New Year-Water-splashing Festival, Closing Festival and Opening Festival. The "Water-splashing Festival" is a traditional festival for the Dai people to bid farewell to the old year and welcome the new year. The time is in the middle of April in the Gregorian calendar. The main activities during the festival are ancestor worship, sand piling, water splashing, packet loss, dragon boat race, lighting fire and singing and dancing carnival. Songkran Festival is the biggest festival held by Dai people every June. At that time, Buddhists will be worshipped, and monks, relatives and friends will be entertained to splash water on each other.

Dai men usually wear collarless double-breasted shirts and long-sleeved trousers wrapped in white or blue cloth. Dai women's clothing varies from place to place, but it is basically characterized by bunches of hair, skirts and shirts. The skirt is ankle-deep, the clothes are tight and short, the hem only reaches the waist, but the sleeves are long and narrow.