The present invention relates to a preparation method of a leaching tea comprising fermented and matured Acanthopanax, wherein the method comprises the steps of: sorting out and washing leaves, stems and roots of Acanthopanax without any special additives； naturally drying the same； fermenting the dried； grating the fermented； fermenting and maturing the product obtained from the previous step； and roasting and heat-treating the product obtained. According to the invention, the fermented product obtained from the above processing passes through a refined pulverization process and a mixing process, followed by a tea bag package process, thus resulting in a leaching tea, wherein a characteristic bitter and astringent tastes of Acanthopanax is removed, the flavor thereof is maintained and the function thereof is enhanced.본 발명은 오가피의 잎,줄기 및 뿌리를 별도의 첨가물 없이 각각의 정리,세척단계,자연건조,발효단계,유념단계,숙성발효단계 및 덖음열처리단계 등의 가공공정을 통하여 발효시킨 후 조분쇄공정과 배합공정를 거쳐 티백포장공정에 의해 침출 차를 제조하여 오가피 특유의 쓴맛과 떫은 맛을 제거하면서 향미를 유지하고 그 기능을 향상시킬 수 있게 한 것을 특징으로 한다.
