Diabetes mellitus is a most common endocrine disorder, affecting more than 300 million people worldwide. Traditional medicinal plants worldwide been known to cure diabetes since ancient times. Although there are various number of drugs available in the market but long time using may cause side effects therefore medicinal plants started gain importance for the treatment of diabetes mellitus. In this book About 178 antidiabetic medicinal plants detailed description includes Family name, English name, Local name and mode of traditional formulation remedies to cure diabetes documented by using previous literature of various journals and research paper, books and further should be studied scientifically and their toxic effect of these plants should be also elucidated. Hence these plant species could be further pharmacological and clinical studies and then form a novel drug.