Introduction to "The Peony Pavilion": "The Peony Pavilion" is Tang Xianzu's masterpiece. It eulogizes the spirit of young men and women boldly pursuing free love and resolutely opposing feudal ethics. It exposes and criticizes the hypocrisy and cruelty of Cheng-Zhu Neo-Confucianism of "preserving natural principles and destroying human desires", forming an impact against the ideological and cultural autocracy in the period of decline of feudal society. .