Objective: To obtain the information about the usage of medicinal herbs in Miyi county of Sichuan province through the ethnobotanical investigation on medicinal market during dragon-boat festival

and provide basis for further scientific research

development and utilization. Method: Miyi county annals and relevant literature were read to make investigation table;herbal samples were collected and photos were taken in the medicinal market during dragon-boat festival for 2 continuous years;relevant details about these herbs' popular names

officinal organs

the therapeutic effects and their usage and dosage were recorded;variety identification and processing analysis were done with combination of the investigation data. Result: The 93 herbal medicines were traded in the medicinal market during dragon-boat festival

and 90 kinds were identified among them

involving 109 plant species

accounting for about 21% of the medicinal plants of the total county. These herbs were consisting of 45 families

82 genera

including 1 kind of Fungi

3 kinds of Ferns

26 kinds of Monocotyledons

accounting for 24% of the total traded plants;80 kinds of Dicotyledons

accounting for 73% of the total. Conclusion: There are numerous herb species in Miyi county's medicinal market

and some of the local conventional species have significant effect

worthy of further development.