It is drawn from the folk legend. According to the legend, the Heaven God had seven daughters, all of whom wanted to celebrate her mother’s birthday, so they did that through a way by spreading the flowers all the way to the palace to do that. On the way to the palace, the seventh daughter herd about the folk world full of busy and joyful activities because of celebrating the harvest. She felt touched and spread the flowers to the folk world to add the joyfulness for them.