The incidence of Diabetes Mellitus is increasing substantially worldwide & has come into the category of one of the most prevalent and expensive chronic diseases . One of the most predominant cause of morbidity and mortality in a diabetic patient is cardiovascular disease. Cardiovascular (CV) risk factors such as obesity, hypertension and dyslipidemia are common in patients with DM, placing them at increased risk for cardiac events. There has been found and proved associations between diabetes and cardiovascular diseases. Therefore, it necessitates the early treatment of cardiovascular risk factors in patients with diabetes to minimize the long term complications of this dreadful disease. This paper throws light upon the relationship between diabetes and cardiovascular diseases.