Type 2 diabetes mellitus is a major worldwide health problem that causes mortality and morbidity . It is characterized by hyperglycemia and listed as one of the chronic diseases in human . Diabetes is known to increase the risk of developing many types of diseases (Fowler , 2008 ) The incidence of diabetes mellitus is growing rapidly , and so its complication . Developing countries had higher increase of the number of diabetes patient than other countries (WHO,2006) Globally , the number of diabetes patient in 2005 was estimated to be approximately 171 million and expected to be 300 million by 2025 (WHO,2006). Eight percent of the adult population was affected by diabetes mellitus which was approximately 170 million people worldwide and the estimated number of diabetes mellitus patient is expected to increase by 50 to 70% in the next 25 years (Coccheri,2007) half of all these were newly diagnosed patients . (Supawan Buranapin ,2014:582)