Headers have already been one of important skills in football games. For beginners or children in the matches, they might get injuries when they don't excel in this skill or even it is a debatable issue in the field of soccer and academy about whether they would have head injuries easily when applying this skill in the tight game. We have less researches and discussions about it; therefore, this research discusses what factors cause children's head injuries when applying headers and with collections of document, about whether headers cause brain damage, we rearrange those document and make them as a base of theory. The conclusion and suggestions: Heading repetitively, players might have negative effect on their brain but it is serious and violent physical contact causing concussion, which not only affects performances but causes a lifelong side effect to players who are at the risk of suffering concussion.