The best way for children with toothache is to go to the pediatric dentistry, so that the doctor for the tooth to open the pulp drainage to relieve the pressure inside the pulp cavity, to reduce the pain, because the child’s age is relatively small, if oral pain medication is more harmful to the body, and anti-inflammatory drugs for a moment and can not achieve the effect of resolving the pain. Therefore, it is recommended that patients take their children to the dentist as soon as possible. Children’s toothache is mostly caused by large caries in the milk teeth, the nerve can be injured, through dry pulp surgery or root canal treatment, the nerve will be killed and then filled and pre-crown restoration can save the affected teeth, until the replacement period comes after the eruption of the permanent teeth, the milk teeth will naturally recede, the killing of the nerve for the eruption of the permanent teeth is not any effect.