Ja'i dance is a traditional dance originating from the Ngada community in Flores, East Nusa Tenggara Province (NTT). This dance is a traditional dance performed massively by the community there as an expression of gratitude and joy. This Ja'i dance is one of the most famous traditional dances in Flores, especially in Ngada society, and is often featured in various events such as celebrations, traditional ceremonies and also welcomes guests of honor. The Origin of Ja'i Dance This Ja'i dance is a traditional dance of Ngada tribe that is often featured in Sa'o Ngaza rite. This dance is performed as an expression of the gratitude and joy of the community. Ja'i dance is usually will be done en masse by Ngada people, the more participants who follow the dance will be more wisdom. For Ngada people, besides being used as an expression of gratitude, Ja'i Dance also has very important values of community life. Function And Meaning Of Ja'i Dance As explained earlier, Ja'i Dance is a dance that is often performed in traditional ceremonies as an expression of gratitude and also their joy. For the Ngada people, the Dance of Ja'i has important values for life, be it social and social. In this dance, we can see how the spirit of togetherness is always intertwined with them.