Children with toothache from tooth decay can use wind oil to wipe the affected area first, if there is no pain relief, go to the nearby pharmacy to buy fever reduction stickers for fever reduction, stick them on the specific location outside the mouth, icy is very comfortable and can temporarily relieve the pain, otherwise the pain is really unbearable for children. If still not lifted, there are two ways: First, like the treatment of pulpitis caused by adult tooth decay, open pulp decompression to relieve pain. Second, control by medication: Fenbid, but it is better for children to take less medication. Tooth decay in children, the first thing to do is to have a timely filling, which is the most effective means to prevent toothache.