PURPOSE: A manufacturing method of black ginseng is provided to increase the content of ginsenoside and crude saponin by irradiating ultraviolet rays on steamed ginseng after repeating a steaming and a drying process of the ginseng. CONSTITUTION: A manufacturing method of black ginseng comprising a ultraviolet irradiation step includes a step for steaming ginseng； repeating a drying process of the steamed ginseng； and irradiating ultraviolet rays for 2 ~ 60 hours on the ginseng which is steamed at least one or more times； and repeating a steaming and a drying processes 9 times.본 발명은 증숙과 건조를 반복하는 흑삼 제조방법에 있어서 조사포닌, 진세노사이드의 함량을 높일 수 있는 자외선 조사 단계를 더 포함하는 흑삼 제조방법에 관한 것이다.
