Because water has the function of cleansing, in religion, water is often considered to be able to wash away sins in the body and soul. In Christianity, the Old Testament records that at the beginning of creation, God destroyed the world with a flood for the sins of mankind. In the New Testament, Jesus himself was baptized by John the Baptist. Later, Christians were baptized through the sacrament of baptism. Entering the church, the gospel records that Jesus performed many miracles related to water. At a wedding banquet in Cana, he turned water into wine and walked on water. Catholic holy water is believed to cleanse sins, and springs in certain holy places are believed to cure illnesses.
In Eastern religions, the Hindu tradition is that a person must go to Varanasi and bathe in the water of the Ganges once in his life to wash away his sins. In China further east, the image of Avalokitesvara Bodhisattva in Mahayana Buddhism is holding a willow branch in a purifying vase and spreading rain; in Taoism, there is a custom of soaking water with ashes for people to drink to cure diseases; Feng Shui is It is believed that the position of all objects has an impact on fortune, and water is one of the factors that affects the environment.