摘要：The presence of street children could not be separated from the presence of largecities. The faster development of a city the sooner the increase of street children.With the economic crisis that hit Indonesia, forcing each family member tosurvive. In these circumstances, it is easy for children to fall into the street. Thisresearch aims to find out how the processes and forms of aggression and thecauses of street children become street children, in this case includes variousaspects and factors that influence the aggressiveness of these. This research wasconducted by way of a case study using the interview method is very generaland systematic method of observation. The subject of this research was ateenage boy 18 years old who behave aggressively. Based on the analysis ofresearch has been done can be seen that the factors causing the subject to bestreet children subjects such as environmental conditions are poor and lesseducated and the nearby crowd, and her social center with a community street.The factors that cause aggressive behavior is the subject of environmentalconditions in high-risk subjects, the influence of the group, personality factors,factors of provocation and physical condition of the subject. Aggressive form offrequent subject is the physical aggression and verbal aggression.
