Oral anaerobic bacteria can be treated with two drugs: 1, 3% hydrogen peroxide, hydrogen peroxide will release a large amount of oxygen after encountering blood, the formation of oxygen bubbles, anaerobic bacteria will be gradually killed after receiving. Hydrogen peroxide does not have any irritating effect on the oral mucosa, patients can rest assured that it can be used to rinse. 2, metronidazole drugs, metronidazole drugs have a relatively obvious anti-anaerobic effect, so when the oral inflammation, you can take oral metronidazole for anti-inflammatory treatment. In general, the infection in the mouth are mixed infections, there are anaerobic bacteria, but also aerobic bacteria, so when receiving treatment can be carried out first flora culture and drug sensitivity culture, symptomatic treatment effect is better.