Water burial is an ancient burial method in the world, that is, throwing the dead body into rivers, lakes and seas. Water is the source of human life, and people's yearning and daydreaming about water is infinitely beautiful. In many myths, water is associated with God, happiness, beauty and immortality. Therefore, when burying dead relatives, people will naturally think of water burial. There are generally three different ways of water burial in the world: floating corpses, throwing them into rivers and scattering ashes.