This paper provides an general overview of oral premalignant lesions and conditions , reasons and causes behind this premalignant lesions and conditions and how to identify these conditions and differentiate them from other non cancerous lesions and this paper also provides information on early signs and Symptoms along with signs and symptoms during the later stages and complications associated and also provides information on etiopathogenesis and as of how to diagnose these lesions clinically and by different laboratory tests and also gives an overview on management a of these lesions