The alimentary education, let alone the relative behaviour, represent an important preliminary statement for a children perfect growth. The results of a not healthy nutrition or alimentary mistakes can produce several problems. The study aims to analyze the child and adolescent nutrition for families with economic difficulties that receive a (social and economic) benefit called "Reddito Minimo di Inserimento" (RMI), within the L'Aquila district area. For the valuation of nutrition state, it has been used the BMI (Body Mass Index), with the necessary corrections for sex and age. From the made analysis, the children's about 33% is classifiable as "at risk of soprappeso" or as "soprappeso", with prevalence for the males, above all in the classes of younger ages, like the most recent studies on the children's nutrition.