Taking the rise and fall of a large teahouse in old Beijing as the background, it shows people the social landscape of Beijing and the different fates of people from all walks of life in three eras: after the failure of the Reform Movement of 1898 in the late Qing Dynasty, during the period of the Beiyang warlord separatism in the early years of the Republic of China, and on the eve of the fall of the Kuomintang regime. Wang Lifa, the owner of Yutai Teahouse, wanted to make his family business prosperous and socialized with all parties for this purpose, but was eventually crushed by the ruthless social reality; Qin Zhongyi, a national capitalist who often frequented the teahouse, went from being ambitious to save the country through industry to going bankrupt; the bold Eight Banners disciple Chang After the fall of the Qing Dynasty, the fourth master embarked on the path of self-reliance. The story also reveals the living conditions of some small characters such as Liu Mazi. "Teahouse Longxugou" mainly tells the story of Cheng Baotai, an upright old artist who used to make a living as a performer. After being severely beaten by the bully Black Whirlwind, he fled to live in Longxugou and relied on Mrs. Cheng to sell cigarettes at a stall.