Traditional Chinese medicine composition for inhibiting oral pathogenic bacteria and preparation method thereof

The invention provides a traditional Chinese medicine composition for inhibiting oral pathogenic bacteria. The traditional Chinese medicine composition comprises a cinnamon extract and a lithospermum extract, the weight ratio of the cinnamon extract to the lithospermum extract is (1: 5)-(5: 1). The traditional Chinese medicine composition for inhibiting oral pathogenic bacteria can effectively improve the overgrowth of oral harmful bacteria such as gram-negative bacilli, gram-positive bacteria, fungi and gram-negative anaerobic bacilli, and is a natural antibacterial agent capable of regulating the balance of oral flora. 本发明提供了一种抑制口腔致病菌的中药组合物，所述中药组合物包括肉桂提取物和紫草提取物；所述肉桂提取物和紫草提取物的重量份配比为1:5至5:1。本发明的一种抑制口腔致病菌的中药组合物可有效改善口腔有害菌革兰氏阴性杆菌、革兰氏阳性菌、真菌和革兰氏阴性厌氧球杆菌的过度生长，是一种能够调节口腔菌群平衡的天然抗菌剂。