The present invention relates to a method for manufacturing Kyeong-ok Go (herb medicine) flake snack. The method includes: a first step of drying fresh ginseng after steaming the fresh ginseng; a second step of slicing red ginseng; a third step of placing the sliced red ginseng on a double grill; a fourth step of concentrating foxglove juice; a fifth step of repeating a process of spraying a mixture of the concentrated foxglove and honey on the sliced red ginseng; a sixth step of sieving Poria cocos after grinding Poria cocos; and a seventh step of freezing and drying the red ginseng on which heated Poria cocos powder is applied under a vacuum condition. According to the method, the Kyeong-ok Go (herb medicine) flake snack from which bitter taste is removed can not only be eaten by people in an easy manner but also maintain a pharmaceutical effect of Kyeong-ok Go.본 발명은 활성성분을 다량 함유한 경옥고 플레이크 스낵의 제조방법에 관한 것이다.