It is not allowed to touch the bones and tell fortune in Qingyang Palace.

Fortune telling includes face fortune telling, palm fortune telling and bone touching fortune telling. Generally speaking, touch bone fortune telling is the patent of blind fortune tellers, but non-blind people also like touch bone fortune telling.

And printing, which has existed since ancient times. Typesetting is quite accurate to a person's vitality, IQ, fortune and final achievement.

There is also a technique of recognizing people by sound, which is expounded in Zeng Guofan's book Ice Guide. In fact, if you can't see the person's face and palm, touch the bones or detect the words, the accuracy of identifying people by voice is also quite high, but it depends on whether the person in the vertical position has a high level of practice.