The work aims to reflect the functional restoration of the healthy community landscape under the background of the COVID-19, explore the nature and construction method of curative main functions in plant landscape design, and popularize the application of curative landscape in non-medical space. By sorting out the relevant concepts and development history of curative landscape, the nature and characteristics of landscape in curative function are analyzed, and the design method of landscape curative construction is expounded from three levels of physicality, time and space, and synaesthesia. Compared with traditional drug therapy and psychotherapy, the curative nature of landscape design relies on natural non-invasive therapy and achieves physical and mental health through the five senses immersion and behavior interaction, which has a good promotion for overcoming the COVID-19 and restoring positive and optimistic attitude.