A composition with anti-septic and insect-resistant properties is disclosed. The composition comprises eucommia, cinnamon, citronella, verbena, citrus and a solvent, wherein a weight-to-volume ratio of eucommia is 0.05-5%, wherein a weight-to-volume ratio of cinnamon is 0.05-5%, wherein a weight-to-volume ratio of citronella is 0.05-5%, wherein a weight-to-volume ratio of verbena is 0.05-5%, wherein a weight-to-volume ratio of citrus is 0.05-5%.一種具有防腐及防蟲功能之複方萃取物,係包含以重量體積百分比計為0.05~5%之杜仲萃取液、0.05~5%之肉桂萃取液、0.05~5%之香茅萃取液、0.05~5%之馬鞭草萃取液及0.05~5%之柑橘屬植物萃取液,其餘成分係為一溶劑。
