The eight characters have grace, which is the god in the moon god system and is formed according to the moon and the four seasons. There are the Eight Immortals, who are gods, and the Eight Immortals, who are widely circulated in China folklore.
The names of the Eight Immortals were different before the Ming Dynasty, including the Eight Immortals in the Han Dynasty, the Eight Immortals in the Tang Dynasty and the Eight Immortals in the Song and Yuan Dynasties.