On December 7, 2022, the State Council grandly promotes 10 anti-epidemic policies, announcing the beginning of the full liberalization of China's 3-year epidemic. Since then the country has entered the post epidemic era, people have regained their freedom and started to come out of their homes, and the tourism industry is gradually recovering. From the perspective of financial management, this paper selects three tourism listed companies, namely, China Youth Travel Service (CYTS), which takes travel agency as its traditional core business, Huangshan Tourism Development Co., Ltd. which relies on tourist attractions as its main business, and Shanghai Jinjiang International Hotel Co., Ltd. which is a leading listed company in China's hotels and catering industry, to conduct a comparative analysis of their financial status in the past five years by using DuPont analysis and to reveal the main influencing factors of the changes in ROE, so as to provide a reference for the future development of the industry.