Gargle is one of the types of oral health supplies, main effect is to remove bad breath for adjuvant treatment of oral diseases in general main mouthwashes containing thymol, menthol, eucalyptus oil, alcohol and active ingredients such as salicylic acid methyl ester, is effective to restrain plaque and gingivitis, reduces plaque to gather, also can reduce gingivitis, reduce the rate of 34%. Many mouthwashes containing wash will too, washing will too is now prove one of the most effective, antibacterial agents, it is - oxygen ionic compounds, can adsorption in tooth enamel, oral mucosa and the surface of the plaque, and slow release, sustainable effective concentration of 12-24 hours.