Abstract: In order to understand the current situation of Compositae medicinal plant resources in Huachuan County,the species and resource characteristics of Compositae medicinal plants in the county were investigated and analyzed by means of field investigation,quadrat investigation,specimen collection and literature review.The results showed that there were 54 species in 35 genera of Compositae in Huachuan County,there were 9 species of key surveys.The composition of single genus was the most abundant,accounting for 82.9% of all genera,including 29 genera.The life forms were mostly perennial herbs,often growing in forests,meadows,fields and other places.And the flora was mainly temperate,accounting for 73.3%.The medicinal parts and efficacies were diverse,and the whole herb was mainly used as medicine and heat-clearing and hemostatic.It can be seen that Huachuan County is rich in medicinal plant resources of Compositae,with a variety of medicinal parts and efficacy.Others,such as landscaping and food industry,are of high value,but the utilization rate is generally low,which needs to be developed.