The present invention relates to a pharmaceutical composition comprising a detoxified arsenic trioxide for enhancing immune functions of a cancer patient as well as a patient with lowered immunity suffering from chronic cold or chronic fatigue syndrome, and more specifically, to a pharmaceutical composition for enhancing immunity, which is prepared by dissolving the detoxified arsenic trioxide in at least one selected from the group consisting of purified water, a propolis liquid, a fermented propolis liquid, a ginseng extract, a fermented ginseng extract, a wood-cultivated ginseng extract, a wood-cultivated wild ginseng extract, a fermented wood-cultivated ginseng extract, a fermented wood-cultivated wild ginseng extract, hydrogen water, and alkali-reducing water. The pharmaceutical composition according to the present invention has an excellent effect as an immunity enhancer in the anticancer treatment, and also exhibits an excellent effect as a high-efficiency immunity enhancer having ensured stability even in a normal person with relatively low immunity, such as a chronic cold patient.본 발명은 면역이 저하된 만성 감기, 만성 피로증후군 환자뿐만 아니라 암환자의 면역기능을 증가시키기 위한 법제된 비상을 함유하는 약학적 조성물, 더더욱 이 법제된 비상을 정제수, 프로폴리스액, 발효 프로폴리스액, 인삼 추출액, 발효 인삼 추출액, 산양삼 추출액, 산양산삼 추출액, 발효 산양삼 추출액, 발효 산양산삼 추출액, 수소수 및 알칼리환원수로 이루어진 군에서 선택되는 어느 하나 이상에 용해시켜 제조되는 면역 증강을 위한 약학적 조성물에 관한 것이다. 본 발명에 따른 약학적 조성물을 항암치료 시 면역증강제로서의 효과가 뛰어나며, 또한 만성감기환자와 같은 상대적으로 면역력이 낮은 정상인에게도 안정성이 확보된 고효율의 면역증강제로서 우수한 효과를 보인다.
