With the quickening pace of life in modern society and the increasing pressure,people's physical and mental health is facing many challenges As a space that can promote physical and mental health,relieve stress and restore vitality,the importance of rehabilitation garden has become increasingly prominent from the perspective of horticultural therapy,this paper focuses on the plant design in rehabilitation garden,and expounds the existing treatment methods that can be used in rehabilitation garden with plants as the medium,hoping to provide some ideas for the theorization and systematization of rehabilitation landscape design in China.