There is no best way to get rid of bad breath, it can be improved and treated by general treatment, physical therapy, medication and so on. 1. General treatment: if the symptoms of bad breath, you should pay attention to personal oral problems, you should do a good job every day to brush your teeth correctly, after eating something should also rinse your mouth in a timely manner, to reduce the growth of bacteria in the mouth. 2. Physical therapy: If it is caused by dental calculus, you can carry out ultrasonic cleaning, etc. If it is caused by food residues, you can use veneers, fillings, etc. to repair the teeth in time, as well as flossing and other cleaning tools to carry out the treatment. 3. Medication: You can use drugs such as cetrimide rinse and ciprofloxacin rinse for treatment. This is caused by the digestive system can be used to strengthen the stomach to eliminate food tablets, pancreatic enzyme enteric capsules and other drugs for treatment. In the use of medication, should follow the doctor’s instructions standardized use, not blind use of drugs, if there is an adverse reaction, it is recommended to consult a doctor in a timely manner, so as to carry out targeted treatment or treatment.