The increasing prevalence of obesity & overweight and its related disorders with diabetes is the aim of present study in Miyandoab city / West Azerbaijan province / north-west of Iran which has been chosen because of lack of available documents about prevalence of obesity and overweight and diabetes in this city and its prevalence would be determined. We decided to study the prevalence of overweigh and obese and diabetes in our referred patients. With emphasizing on over obesity to determine its association with diabetes. Materials and Methods were a cross-sectional study that was done in Miyandoab city. Samples included 84 patients referred to nutrition ward of Fatimah Hospital, were matched in BMI, gender, age group and educational status. Data included demographic and anthropometric parts. It is validity and reliability was confirmed. Data was analyzed by SPSS20 chi-square test and p<0.05 was considered significant level. Eighty four patients, females (n=58; 69% of samples) and males (n=26; 31% of samples) entered in this study. Date of study was from September 2011 up to April 2012.