Ruyi, as one wishes, first appeared at East Zhou Dynasty, means lucky, generally shaped in peculiar model -"S" crank with handle head. It stemmed from the back-scratch tools we still use today - "not asking for help". People treasured it very much for its peculiar model and abundant auspicious purpose. Especially in the palace of Qing Dynasty, the exquisiteness of the making technology and annotation to the lucky purpose of Ruyi had been developed into perfection. No matter festival celebration, room decoration or presenting the honorable guests, Ruyi always appeared. As auspicious symbol, Ruyi had been rooted in the hearts of the people.
