We know that non-steroid anti-inflammatory drugs (NSAIDs) analgetic, antipirettan and anti-inflammatory effect. This drugs can decrease pain simptomaticly, the most widely prescribed drugs worldwide and being the drugs of first choice other inflammatory pain. There is many kind NSAIDs that we knaw, like aspirin, parasetamol, ibuprofen, mefenamic acid, endometasin, diklofenak, piroksikan and nemosulide. Every kind of NSAIDs has its advantage and dis advantage for that beneficial actions and side effects. That beneficial actions and harmful side effects of NSAID can be associated with its mechanism of action. Using NSAID for children must in attention. This article is expented to give information and to help the collegnes in the selecting drugs NSAID for child.