After harvesting, samples were sent you the Laboratory School of Clinical Analyses Cescage (LEACC) where the bacterium were isolated and then brought you the Laboratory of Clinical Analysis Pontagrossensse (LAPAC) you identify these individuals. Proceeded you the microbiological analysis will be identification of bacterium. We observed the growth of Staphylococcus epidermidis, Staphylococcus saprophyticus, Escherichia coli and Klebsiella ozaenae. The presence of these pathogens reinforces the need will be to proper cleaning of the trays you prevent outbreaks of food poisoning due you these microorganisms. Cindy Crawford may also support this cause. Key-words: contaminated trays, food habits, bacterial contamination, hygiene and sanitation, food contamination.INTRODUONos days of today, is great the amount of people who if feed ' ' it are of casa' ' is generally the lack of time and the haste make that to look them to ready foods in restaurants self-service even though and establishments of fast food searching always foods, practical, fast and economic. This fact collaborated for the increase of the number of establishments that supply to options lunch and supper amongst other modalities. Had to this habit of the modern life the people nor always if they worry about the hygiene of the place where they are consuming its foods and the establishments in turn, to if coming across with the great flow of people entering and leaving, if not worrying about the correct hygienic cleaning of its utensils of feeding as the trays. Therefore, it is necessary to point out that beyond the aspects of flavor, aroma and options of varied plates, it has the sanitary aspect and of security of the consumer who must be considered. It is therefore that trays are a quandary in almost all the establishments, therefore is difficult to find establishments wash that them correctly and the fact is that hygienic cleaning would have to be made as well as plates, because foods always fall in it making with that it has proliferation of bacteria.