There are several ways to get rid of bad breath: first, morning and evening brush your teeth, it is best to use with mouthwash. Second, gargle with overnight tea, overnight tea will have tea oil floating, use it to gargle after meals, can make the mouth produce the smell of tea, against bad breath has a good effect. Third, usually often chew a chewing gum, can also play a certain role in the relief of bad breath. Fourth, bad breath is often caused by gastrointestinal disorders, that is, indigestion, it is best to eat more food to help digestion, such as apples, lemons, lettuce, etc., you can mix fruits and vegetables to eat, such as fruit salad or vegetable salad, are better choices. Fifth, clean up your teeth after meals, use dental floss or other cleaning tools, so that the food residue inlaid in the teeth is cleaned, which can reduce bacterial decomposition and reduce the occurrence of bad breath.