The Eight Immortals voyaged across the ocean to attend a birthday celebration for the Queen Mother of the West at the Jasper Pool, and so a picture of "the Eight Immortals crossing the sea" represented longevity.
張果老、呂洞賓、韓湘子、何仙姑、李鐵拐、鍾離、曹國舅、藍採和等八位仙人，為慶賀西王母的壽誕而渡海往瑤池，故「八仙過海」的圖形代表長壽。