Beijing Tongren Hospital of Capital Medical University (Beijing Tongren Hospital) is one of the earliest tertiary public hospitals to offer day surgery in China. Over the past decade, the proportion of day surgery has exceeded 60%. Beijing Tongren Hospital has restructured its medical resources according to the functional positioning of each division, establishing four types of day surgery centers or wards characterized by “platform” “discipline” “disease type” and “service” to meet patients’ diverse needs. At the same time, it ensures homogeneous services for patients through unified admission standards, pathway processes, and quality control indicators. This effectively balances the standardization and individualization of day surgery across different hospital districts, further enhancing the quality and efficiency of day surgical services. This article summarizes the management experience and effectiveness of day surgery at Beijing Tongren Hospital.