Baby toothache may be related to not pay attention to hygiene, may also be the emergence of dental caries, the need for timely targeted treatment. 1. Do not pay attention to hygiene, usually do not pay attention to the baby’s oral hygiene, not diligently brushing teeth, gargle, may lead to oral bacterial growth, so there will be toothache symptoms. Usually need to pay attention to the baby’s oral hygiene, diligent brushing, you can also use saline or hydrogen peroxide gargle. 2. Dental caries, due to the baby usually like to eat sugar, may lead to dental caries, the need for timely medical treatment for filling treatment or root canal treatment, but also need regular medical review. Usually need to do a good job of dental care health care work, it is best not to often give the baby too spicy stimulating food or food containing more sugar.