The present invention provides an extraction method for Antrodia camphorata and a extraction device thereof, which employs the affinity of extraction agent and Antrodia camphorata fruit body powder, and then the resolution process, such as hot working, squeezing or cold working, is performed to extract the triterpenoid ingredients from Antrodia camphorata. Finally, the extracted triterpenoid is dissolved in edible oil to be suitable for capsule package.一種牛樟芝之萃取方法及其萃取裝置,係以萃取反應劑和牛樟芝子實體碎末親和後,經由熱作法、擠壓法或冷作法等離析製程,萃取出牛樟芝中的三萜類成份,並且使被萃取出的三萜類最終溶合於食用油脂之中,藉此可適於膠囊封裝。