Always a little bit of bad breath, but not very serious, you can start from the oral side to solve. Brushing is a must, to brush your teeth after all three meals, rinse your mouth as soon as you finish eating, especially after eating sweets, not only rinse your mouth, but also gently scrape your tongue, because it is easy to tongue acidic and sticky, affecting your breath. After the meal with dental floss to clean the teeth, there can not be food embedded and residue, because it will soon be fermented, resulting in odor. Drink more green tea, available old tea gargling, you can also drink cinnamon tea, clove tea, mint tea, these have deodorizing effect. If often in and out of social places, you can also prepare a bottle of mouth spray, once found that the mouth has sticky and other unpleasant clean feeling, spray, always keep the mouth clean. If there is no other disease, bad breath will be eliminated.