PURPOSE: A composition using Smilax china extract or fermentation for promoting nicotine decomposition is provided to produce a pharmaceutical product or food product.CONSTITUTION: A composition for promoting nicotine decomposition contains: Smilax china extract, a fermentation prepared by sealing mixture of Smilax china and ethanol solution and fermenting at 20-30°C for 50-70 days or a fermentation, and a fermentation prepared by sealing the mixture, fermenting at 20-30°C for 50-70 days, and maturing at 3-10°C for 40-50 days.COPYRIGHT KIPO 2012본 발명은 니코틴 분해 촉진용 조성물을 개시한다. 본 발명의 니코틴 분해 촉진용 조성물은 니코틴 분해 촉진 활성을 가지는 청미래 추출물 또는 발효물을 이용함을 특징으로 한다.