As a type of indispensable elements in landscape, plants play positive role in promoting people's physical and mental health. With the increasing of aging and sub-health problems, people have been beginning to pay attention to the relationship between plant environment and human health. This paper generalized and put forward the concept of rehabilitative and health-preserving landscape by combing the previous literature. Combined with the concept of ecological balance and health preservation, the relationship between plants and human beings was concluded. This paper summarized the application and selection principles of garden plants from the perspective of the services of plants to improve the ecological and public health, in order to provide reference for the landscape design of healthy plants.