Peking Opera is a kind of drama formed after Huiban entered Beijing in Qing Dynasty. Because it is mainly popular in Beijing, it is called Peking Opera.

There are four classes in Huizhou, namely Sanqing, Sixi, Riverlip and Chuntai. These four schools have different styles and stand out from the crowd. They are the representative schools of Peking Opera. The three celebrations mentioned by the landlord refer to one of them.