Lao She's Teahouse was a novel that described the folk life in Beijing. It mainly told the stories of different characters in the teahouse, including the owner of the teahouse, various employees and customers in the teahouse, as well as some government officials and businessmen. The characters in Teahouse were very rich in character, and the most prominent ones were the owner of the teahouse, Fourth Master, and the various employees in the teahouse. Lord Fourth was a very shrewd businessman. He paid great attention to business interests, but at the same time, he was also a very kind person. He took great care of his customers and also cared about and trusted the employees in the teahouse. The various employees in the teahouse also had their own unique characteristics. Some were very hardworking and kind, while others were selfish and greedy. At the same time, these employees also displayed different moral values and values in different situations. The customers in the teahouse were also a colorful group. They had different backgrounds and personalities, but overall, they were very realistic and shrewd. The protagonist of Teahouse was the owner of the teahouse, Fourth Master. He was a very important character. He not only played the role of a business magnate in the novel, but also represented some aspects of Beijing's folk life. His fate and experience reflected some aspects of Beijing society.