PURPOSE: A composition for treating and preventing allergic inflammatory diseases which contains red ginseng extract is provided to enhance elimination performance of DPPH-free radical, superoxide anion, and hydrogen peroxide.CONSTITUTION: A composition for treating and preventing allergic inflammatory diseases contains red ginseng extract as active ingredient. The red ginseng is obtained by the following steps: primary natural drying of 3-8 year old ginseng at 10-60 deg. Celsius for 1-24 hours drying the same for the second time to remove moisture only after washing the natural dried ginseng primary steaming the dried ginseng at 60-120 deg. Celsius for 1-48 hours and during the ginseng at 30-80 deg. Celsius for 1-72 hours. The extract of red ginseng is extract which is used in water, methanol, ethanol, butanol or a mixed solvent.COPYRIGHT KIPO 2013본 발명은 홍삼 추출물을 유효성분으로 함유하는 알레르기성 염증질환의 예방 및 치료를 위한 조성물에 관한 것으로, 본 발명의 홍삼 추출물은 DPPH 자유라디칼, 수퍼옥시드(Superoxide) 음이온, 히드로겐 퍼옥시드(hydrogen peroxide) 소거능이 탁월할뿐만 아니라, 진드기 추출물을 처리한 EoL-1 및 THP-1 세포에서의 MCP-1, IL-6, IL-8 등의 염증인자의 분비를 감소시키는 효능을 나타내므로 알레르기성 염증질환 치료에 유용한 의약품 및 건강기능식품, 또는 식품첨가물로 이용될 수 있다.