Involvement of children in armed conflicts as child soldiers have prompted worldwide condemnation by humanitarian advocates and child rights activists alike. It is seen as an international humanitarian and human rights crises. It occurs in various parts of the globe, extending from Asia to the United States. It is a common misconception that only non-state armed groups or rebel groups deploy child soldiers. Many governments have also been recruiting under-18 years old into national armed forces. Different reasons have been cited for children's involvement in the armed conflicts. The truth remains that these child soldiers in armed and hostile situations have gone through tough times which have left a deep impact on them emotionally and psychologically. International instruments which support efforts to stop using children as soldiers do exist, the question is their effectiveness. This paper presents an initial study on the issue of child soldier via doctrinal analysis of provisions of international treaties and relevant government policies. It attempts to provide a general overview on the issue of children as child soldiers, the reasons for such occurrence and reviews the various international legal treatises that regulate the use of child soldiers.