Artemisia argyi is a widely distributed and commonly used Chinese herbal medicine.For further development and utilization,the main components of essential oil and alcohol extract of Artemisia argyi were analyzed by GC-MS,and their antibacterial and antioxidant activities were compared.The results showed that the main components of Artemisia argyi essential oil and alcohol extract were very different.The main components of Artemisia argyi essential oil were eucalyptoloccupied (21.11%) and α-bornene (10.77%);while the main components of the ethanol extract of Artemisia argyi were 2-methyltetrahydrothiophen (20.18%),ethyl isothiocyanate (10.47%) and ethylene glycol diacetate (10.06%).Artemisia argyi essential oil and alcohol extracts have a certain bacteriostatic effect on 5 strains (Escherichia coli,Staphylococcus aureus,Candida albicans,Bacillus subtilis,Pseudomonas aeruginosa),among which the effect on Bacillus subtilis is the best,MIC / MBC values are 1.95,7.81 mg/mL and 3.91,7.81 mg/mL,respectively.When the concentration of essential oil and alcohol extract of Artemisia argyi were 32 mg/mL,their DPPH scavenging capacity reached 89.5% and 77.6%,respectively.Therefore,the antibacterial and antioxidant activities of essential oil from Artemisia argyi are better than alcohol extract of Artemisia argyi.