Abstract:Epidemic diseases are continually breaking out in recent years,especially the Covid-19 pandemic that is severely disrupting the whole world at present,forcing people to reconsider the public health problems and urban landscape construction under this direction.By rethinking the implication of public health,this paper analyzes the impact of urban landscape upon physiological,psychological and social utility of pubic health,and discusses the problems in the application of urban landscape plants,which is mainly reflected in the lack of total plant species and native species.There are also some deficiencies in the configuration patterns based on the utility of public health,and the whole creation idea of ecological system is missing.Based on these problems mentioned above,the importance and patterns of the application of medicinal plants in urban landscape are put forward. Besides,by taking Guangdong-Hong Kong-Macao Greater Bay Area as an example,100 kinds of urban landscape plants which are beneficial to public health are selected.