This cross-sectional study was carried out among 104 medical internee doctors at Dhaka medical college hospital and Sir salimullah medical college hospital,Dhaka,from April 2009 to June 2009. To assess knowledge of oral cancer among respondent. In this study it was found that smoking tobacco as a risk factor was identified well 96.15% , alcohol use was identified poorly 5.76% and no one could identify the presence of potentially malignant oral lessions and conditions as risk factor. No one could identified uncontrolled growing ulcer at list for 3-4 weeks was suspected oral cancer. Erythroplakia was identified poorly as potentially malignant lessions.No one could identified potentially malignant oral conditions. National institute of cancer research and hospital the most commonly selected 53.8% proposed points of referral for patients with a suspected oral cancer. Radiotherapy was identified 92.3% for oral cancer treatment. Majority of the respondent 94% were answered actively discourage smoking and betel quide use for prevention measures. Only 6 % told refer all high-risk lessions on discovery.