Abstract: In this paper,investigations are conducted on the application of the landscaping tree species in Yongchang town,Beichuan country,in rehabilitation and reconstruction of rural and urban greening in Sichuan seismic disastrous areas. Considering the urban natural geographical profile and analysis of the characteristics of different species, suitable landscaping tree species list in Beichuan County has been worked out,including the capital and vital trees. Finally,as for little local native tree species and few tree species in Beichuan County,the recommendations of landscaping tree selection guide have been given.