Obesity is a serious pandemic in the 20th century. It is the cause of cardiovascular disease, diabetes and cancer thus increasing the overall mortality and morbidity of both men and women. The purpose of the study is to delineate the influence of fast food advertisements in enticing 8 year old children to predispose them to consume fast food. Samples of 110 respondents from primary schools in Klang Valley were interviewed through questionnaires by using multi stages sampling method.