They "first with filial piety, and first with goodness". For years, the "top of a pillar of incense, a seal of the palace" has been circulating in Maoshan. The top palace refers to the Jiulong Palace, which is the first place where people worship Sanmao ancestors and make a wish to enter incense. It is said that in this way, make a wish incense for three consecutive years, magical and spiritual, and eliminate evil.