More than 30 countries around the world are currently employing child soldiers. Children have become direct participants and victims of war. A UN data shows that in the past ten years, about millions of Children under 18 years old involved in wars and regional conflicts. Huge harm is taking place in children's personal safety and mentality. Although they picked up their weapons, their behavioral psychology remained innocent. The cruel weapons on the battlefield were in contrast to their favorite toys. They should have enjoyed funs at this age, but they held the weapons of murder. There are difficulties in the rescue of child soldiers. The work intends to make people look into this problem. Those child soldiers who are still in the dark can get more attention. Only when all attentions are collected together can we hope to get more peace, children can avoid the harm of war.