The study about causes of street children was carried out. The objectives of the study were to find out the major causes of street children in Kibera Suburb, problems faced by street children, out street children survive on the street and what has been done to reduce these problems. The methods used to collect data were:- observation, interviews and questionnaires. Respondents were included in the study. It was found out that there were very many causes of street children like death of parents, lack of employment, some of them were born on the street and the problems they faced were sexual abuse, health problem and lack of proper shelter Most of the girls had a negative attitude towards staying in the street the report concludes that the girls were the most mistreated I n the street and this contribute to their negative attitude. Also most of the boys had appositive attitude towards staying on the street because they are able to get every thing they want. The research therefore recommended that for street children to change their attitude towards staying in the street. It was finally recommended that there should be counseling and assistance to those who are already affected.