To understand the condition of Listeria monocytogens pollution in foods in Xishan County of Kunming, and prevent food poisoning breakout and spread.MethodsSamples were collected according to the national standard (GB 4789.30-2010), and detected by BioMerieux VITEK system. ResultsA total of 406samples of food and food processing tools were detected from May to September in 2012, with an overall detection rate of 2.46%. The detection rate of food processing tools was 2.5%. The detection rate of overall food was 2.46%. The detection rate of vegetables and meat were both 5%.ConclusionThere was a wide spread pollution and high public health risk of Listeria monocytogens in local foods, and the food safety management should be strengthened.