What does it mean to enter the palace three times?

The term "three visits to the palace" refers to people who have been sentenced to prison three times, and it is generally circulated between prisons and sentenced people.

For example, "once in the palace" and "twice in the palace" Strictly speaking, this means being in prison. Being administratively detained is not considered as "entering the palace". However, people who don't understand also refer to people who are administratively detained as "entering the palace" and extend it to the palace.

The third time in prison, the third time in the palace is twice as many as the second time.

Erjin Palace originated from drama, which is one of the traditional Peking Opera "Dragon and Phoenix Pavilion".

Second time in the palace: the second time in the palace, the first time in the palace was sentenced to imprisonment. After his release, he committed illegal acts again and was arrested and imprisoned again, awaiting trial or being sentenced according to law. Usually refers to those who have been dismissed from their jobs after repeated education.