Since the concept of digital twin technology has been put forward, after decades of rapid development and wide application, it has not only made great achievements in many fields, but also brought broader prospects for the development of the medical field. As an important trend in the medical industry, digital twin hospitals play multiple roles by connecting physical hospitals and virtual hospitals and benefit the "patient-medical staff-hospital administrators", highlighting the immeasurable promising application of digital twin technology in smart hospitals. This review takes digital twin technology as an entry point, briefly introduces the progress of its application in various fields, focuses on the characteristics of digital twin technology, practical application cases in hospitals and their limitations, and also looks forward to its future development prospects, aiming to provide certain useful insights and guidance for the future of digital twin hospitals, and also expecting it to play an important role in changing the future of healthcare to a certain extent.
数字孪生技术概念自提出以来，经过近几十年的迅速发展和广泛应用，不仅在多个领域取得了巨大的成就，也为医学领域带来了更为广阔的发展前景。数字孪生医院作为当前医疗行业的一个重要趋势，通过连接实体医院与虚拟医院场景发挥多重作用，惠利“患者—医务工作人员—医院管理者”三方，突显出数字孪生技术在智慧医院的应用前景不可估量。本综述以数字孪生技术为切入点，简单介绍了其在各领域的应用进展，重点概括了数字孪生技术的特点、在医院实际应用案例及其所面临的局限，同时也对其未来的发展前景进行了展望，旨在为数字孪生医院领域的未来提供一定有益的启示和指导，也期望能在一定程度上为改变医疗的未来发挥重要作用。.
Keywords: Digital twin hospital; Personalization; Real-time monitoring; Smart healthcare; Visualization.