It is said that there is a life card above everyone's head, which contains the person's soul, and everything in people's lives will be recorded on it, whether it is important or minor. Ordinary people cannot see the life card, but when the life card cannot bear the weight of things, the person concerned will see his or her life card at night, which means that his or her life is about to end. After the death of a person's body, the writing on the life card will disappear immediately that night, and the life card that turns white again will look for a new body again. In this way, it is a reincarnation.