The star of Fu (), Fuxing , refers to the planet Jupiter. In traditional astrology, the planet Jupiter was believed to be auspicious. Alternatively, according to a Taoist myth of the Ming dynasty, the Fu star is associated with Yang Cheng (),http://www.chinaknowledge.de/Literature/Religion/personssanxing.html, retrieved 11 Des 2017 a governor of Daozhou in Tang Dynasty. Yang Cheng risked his life by writing a memorial to the emperor to save the people from presenting dwarf slaves as the special tribute to the imperial court. After his death, the people built a temple to commemorate him, and over time he came to be considered the personification of good fortune.
