10-year-old boy with bad breath.

10-year-old child halitosis may be caries bad, residual crown, residual root caused by food accumulation or oral hygiene is not good. If the child gastrointestinal function digestion is not good, eat food infected by bacteria, the existence of rhinitis, sinusitis and other diseases, will also cause halitosis. Suggestions: parents need to take the child to the hospital for examination, determine the cause of treatment.