Diabetes is roughly translated as excessive sweet urine. There are three types of diabetes they are type1, type2 and gestational diabetes .the causes of diabetes include less amount of secretion of insulin, life style, food style modification and genetic factors. Diabetic ketoacidosis, polydipsia, poluria, polyphagia, poor wound healing are the major symptoms for the diabetes. complication of diabetes like damage to the retina,kidneys,nerves,hyperosmolar hyperglycemic nonketotic syndrome etc.regular diet control, physical exercise, medical treatments like intake of insulin, tablets from the class like sulfonylureas, biguanides, alpha-glycosidase inhibitors, thiazolidinediones etc. are plays a major role in control of diabetes.ayurvedha food habits also helps in control of diabetes. it can be prevent by avoiding the fat contained food items, less consumption of alcohol,etc.regular exercise is crucial to the prevention of type 2 diabetes. Intake of nutrient foods helps to manage the diabetes. Regarding the prevalence of diabetes, the number of cases of diabetes worldwide in the year 2000 among adults was estimated to be 171million and will rise to 366 million by 2030 now we should awake and ready to know about the prevalence in our district. This survey will give an idea about the prevalence of diabetes and their management by the people in Vellore district.