Halitosis is very embarrassing, away from bad breath, you need to develop these habits: Rinse your mouth after meals. There will be food residue in the posterior teeth gap, should be mouthwash after meals, as far as possible in the mouth of food debris removed, you can use warm water, salt, boiling water, mouthwash mouthwash. Pay attention to drinking water. More water can increase saliva volume, but also can drink lemonade, tea water, mint tea, etc., both water and fresh breath. Keep eating breakfast. Long term hunger, no breakfast, less saliva and thick, rinse, bactericidal effect weakened, prone to heavy tone, so be sure to insist on eating breakfast every day. Sleep should not be too long. Sleep less saliva secretion, saliva mouth breathing will evaporate, easily lead to morning breath.The only reliable criterion of truth is always to be consistent.