Babies’ heavy breath and bad breath may be caused by indigestion, eating irritating foods, and incomplete brushing of teeth. Depending on the cause of the disease, medication and general treatment can be carried out. 1. Indigestion: indigestion is the most common cause of bad breath in children, the baby’s gastrointestinal function is not as perfect as that of adults, if you eat hard-to-digest food can easily cause indigestion, resulting in bad breath. At this time, you can take some drugs to help digestion, such as pepsin, lactase raw and so on. And in the usual life of the moderate use of compound lactobacillus acidophilus, to help improve the baby’s gastrointestinal function, reduce bad breath. 2. Stimulating food: onions, leeks, garlic and other foods are easy to eat after bad breath, timely brushing and gargling can relieve oral odor. 3. Brushing is not thorough: adults should train children from childhood to brush their teeth properly in the morning and evening, and rinse their mouths after meals, to avoid food debris left in the gap between the teeth, causing bad breath after fermentation. Baby bad breath treatment is a long-term management process, not immediately treatment is to see the effect of the above drugs, must be used under the guidance of a doctor.