Abstract: Oleum artemisiae a.namae is a pure quenthing oil extracted from the remnants in produsing artemisin-an antinralarial drug.In the laboratory study,we found that it hay a powerful effect on superficial pathogenic fungi.In the concentration of 0.25%,it has a fungistatic effect;in the concentration of 1%,it has a fungicidal effect It rs worthwhile to have a further clinical trial.