Fairy Festival falls every year on the 15th day of the third lunar month, lasting for three days. The festival activities include worshipping Fairy Cave and welcoming holy water, singing and dancing for blessings, and sports competitions.
The origin of the Nu people's Fairy Festival is said to be rooted in primitive worship, while another theory suggests it is a remnant of the early matriarchal society of the Nu people, which revered women. The Nu people worship fairies to pray for peace and safety.