To investigate Chinese medicinal resources，key varieties，and cultivation of medicinal plants in Yanting County，Sichuan Province to provide a scientific basis for the development and utilization of Chinese medicinal resources in Yanting County.Methods:Under the guidance of the technical specifications of the fourth national survey of Chinese medicinal resources，the existing Chinese medicinal resources in Yanting County were generally surveyed and statistically analyzed by means of field sample area survey，cultivated medicinal materials survey，market survey，folk visit，specimen collection and production，and data sorting.Results:Thirty-six sample plots，180 quadrat sets，1 080 quadrats，and 40 species of key Chinese medicinal materials were investigated.Forty species of key Chinese medicinal materials were collected，20 species of cultivated medicinal materials were investigated，and 407 species of specimens of medicinal plants were prepared.Conclusion:Yanting County is rich in Chinese medicinal resources，but the distribution is dispersed.With abundant species of cultivated medicinal materials，the Chinese medicine planting industry is on a certain scale in the early stage.On this basis，it is necessary to strengthen the development planning and guidance of the traditional Chinese medicine industry in Yanting County，fully explore the local Chinese medicinal resources，and rationally develop，utilize and protect those resources.