What can a fortune teller calculate? Can you work out whether others know their secrets?

It's possible. But not all the problems that have been solved have to be said. Respecting guests' privacy is the professional ethics of fortune telling. Of course, you can't make a hullabaloo about, otherwise the lawsuit will be light and the death penalty will be heavy. Fortune telling is to protect the interests of guests, but also to protect their own interests. Some private secrets can't be told even if they are killed, so as to preserve their reputation and be qualified to undertake the heavy responsibility of fortune telling; People who mess around Shaanxi in Hu Kan are unqualified, and it is not appropriate to die.