Khai Ha festival is a long-standing traditional folk festival with the largest scale of Muong people in Hoa Binh province. In 2022, Khai Ha fesstival the Muong minority in Hoa Binh province was recognized as a national intangible cultural heritage by the Ministry of Culture, Sports and Tourism. In 2023 and 2024, the festival was held on the provincial scale, getting together 4 major Muong regions (Bi, Vang, Thang, Dong) to participate, and it has been an opportunity for the quintessence of Muong ethnic culture to converge and shine.