Caged concrete festival, also known as festival of going down to the field, is a traditional festival of the Tay ethnic people, held annually by Chiem Hoa district on the 8th of the first lunar month. This is considered as a religious activity to pray for a good rainy year, good trees, abundant crops, prosperous and happy life. In 2013, along with the key melody, this unique festival was officially recognized as a National Intangible Cultural Heritage. In recent years Chiem Hoa district has always focused on preserving and promoting the traditional cultural beauty in the festival, and at the same time there are many activities to connect the festival with tourism promotion activities in the district. .

Chiem Hoa's Tong Tong Festival is associated with worship at Bach Than Temple, a place of angels, gods and gods. The festival takes place in 2 parts: The ceremony consists of sacrificial rituals with offerings to the heavens and the gods including: fruits, fruits, betel nut, betel nut and gold coins; castrated, boiled chickens and wine; fruits with five colors; The reward for the person who will hit the concentric circle of the pillar and bags of small seeds, matches, salt, money ... has been performed by the elder priest at the Ba Than Temple in the early morning. After finishing the sacrifices at Bach Than temple, the procession led by the lion dance team, elders and young men and women took the palanquin and 9 trays to the district center stadium, previously erected. available columns with concentric circles pasted green and red paper to continue performing the ritual of sacrifice to the heavens and the earth to pray for a new year in villages, hamlets, houses, people are healthy, well-being, prosperous, everything proliferate, flourish, good harvest ...

After the ceremony of giving thanks to the heavens and the earth, the ceremony to pray for rain with the wish for good rain and wind and good harvest, the house is full of warmth. Within the framework of the January 8 Festival, there are many other activities such as: Organizing a night fair, cultural, arts and sports exchange activities also took place simultaneously at the stadium. district centers and district cultural houses ... These activities have attracted a large number of ethnic minorities and visitors to participate in competitions and cheers.

In addition, Cage Tong festival also takes place in some localities such as Nang Kha commune, Na Hang district and Lang Can commune, Thuong Lam commune of Lam Binh district on January 10-15 every year.