This study had as purpose calculates the amount of waste from prepared food, which is produced in children's homes that belong to the northern historic center of Barranquilla City. The study had a mixed approach. It was a descriptive and Cross-sectional study. The study target population was comprised by the children's homes: Barrio Abajo, La Playa, Santa Rosa de Lima and Siape. During a period of one week in each household. The waste food quantification was made through of a direct measurements (weighing) of them, classifying by food groups. The study found that, in the different household were wasted 125038 g, which is equivalent to 10.4% about the served food in each one. In relation to every household, it was established that the children's home Barrio Abajo was which presents most waste (13.2%) and the children's home that produced the least waste was La Playa (8%). Regarding to the food groups, it was showed that fruit and vegetables were the more waste (36.4%). In according with the results obtained in this investigation, it was fundamental to give some recommendations in these establishments for the purpose of the food waste will be reduced.