A great deal of emergence of the physiognomist images in ancient novels has an important relation at the factors such as ages, writers and works etc.

• 由此及彼、因畜至人的逻辑思维方势，使人们从相牛相马中得到启发，转而审视人类自身。真正以预测人的命运吉凶为目的的相术活动产生于春秋战国时期。