Guige-Guaying divinatory style was popular in the Song Dynasty, but Guaying (lit. shadow of hexagram images) can be traced back to the Tang Dynasty and Guige (lit.

• 摘要轨革卦影虽然流行于宋代，但卦影的起源可以上溯至唐代，而轨革甚至可以追溯至晋代以前。