For agricultural countries, people's lives depend entirely on the chance of nature, especially on water. Water is therefore an important sacred element for the farmer. Southeast Asians see rain - water as the most important factor in their crops, their lives, and water. Rain is also the manifestation of the heart of heaven, of the gods. So far, agricultural peoples have formed beliefs to pray for the power of the gods to support human beings. This belief is expressed through rituals,

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... d festivals, typical of the festival praying rain down and pray for the sun. On the basis of the intimate relationship between the ecological environment and the festival, this article focuses on research festivals related to water in Southeast Asia to contribute to the deconstruction of sacred rituals during festival. Through rituals during the festival, human behavior can be seen in relation to the natural environment of the rice agriculture farmers. The main research method of this article: system method - structure, comparison method, interpretation method; Theoretical approach of the paper is ecological theory and structural theory.