The outdoor landscape design of medical buildings affects the healthcare experience of patients and the work environment of medical staff. Therapeutic landscapes contribute to the recovery of patients and provide a comfortable, convenient, and safe outdoor space for both patients and healthcare professionals. This article analyzes the concept, classification, design necessity, and smart enhancement methods of therapeutic landscapes. By combining the case study of the wellness landscape design of the Fifth People’s Hospital of Chongqing, it derives insights into therapeutic landscape design, such as the rational use of natural elements, the construction of pedestrian space systems, the arrangement of specialized botanical gardens, the integration of multiple therapies, and the application of smart technologies. The aim is to promote the development of therapeutic outdoor landscape design for medical buildings.