PURPOSE: A natural antimicrobial composition is provided to have advanced antibacterial activity by having mixed extracts from Paeonia lactiflora, Atractylodes japonica and Scutellaria Baicalensis for being safer to human and environmental friendly. CONSTITUTION: A natural antimicrobial composition comprises 100 parts by weight of paeonia lactiflora, 60 parts by weight of atractylodes japonica and 40 parts by weight of scutellaria baicalensis. The natural antimicrobial composition is active to bacillus subtilis, escherichia coli, candida albicans, staphylococcus and pseudomonas aeruginosa. The concentration of the natural antimicrobial composition is from 200 to 512 ppm. [Reference numerals] (AA) B.S antibacterial experiment; (BB) Scutellaria baicalensis; (CC) Paeonia lactiflora; (DD) Atractylodes japonica; (EE) Chrysanthemum; (FF) Balloonflower본 발명에 따른 천연 항균제 조성물은 천연추출물을 함유하여 항균효과를 나타내는 조성물에 관한 것으로, 더욱 상세하게는 작약 추출물, 백출 추출물 및 황금 추출물을 함유하여 항균효과를 나타내는 조성물에 관한 것이다.