The historical background of the Lang Ya Board was the Ming Dynasty and the Qing Dynasty. Mei Changsu's prototype was Mei Changsu himself. His real name was Mei Changsu, and his nickname was Yu Jin. He was a famous writer in the late Qing Dynasty and the author of the drama "Nirvana in Fire". Mei Changsu created a complex character in the novel, who became one of the main characters in the novel with his intelligence and wit to deal with various problems.