Gingivitis and peridontitis are infectious diseases caused by dental plaque and bacteria.Now its clear that the dental plaque is the main pathogenic factor and initiating factor causing gingivitis and periodontitis.Therefore,control plaque can control the gingival inflammation,has become a consensus.Tooth brushing is considered the most effective way to control plaque everyday.As the adjuvant,toothpaste help to enhance the effect on removing debris and plaque.Tooth extrinsic stain stimulate the gingiva slightly,but have an impact on appearance.Also,the pigment is often deposited in the calculus,so it can be used as indicator of oral hygiene and microbe.Therefore,extrinsic stain removal cannot be ignored.The clinical researches on the efficacy of traditional Chinese medicine toothpaste are fewer in China currently,the active ingredient of most toothpaste is also unpublished.ChiWang Chinese medicinal toothpaste is manufactured by BaiLing Shanghai Oral Care Co.Ltd.and it has acquired the license.But its effect on dental plaque,gingival inflammation and extrinsic stain is unknown.