Fenugreek is an annual plant from leguminosea endemic to east Mediterranean. It has been used in traditional medicine for a while. It has been used for its oxytocic, digestive, and metabolism enhancement properties. While is reach in alkaloids, steroids, and sapogenins and also has good medicinal properties, it became one af more important medicinal plants. Nicotinic acid, and Trigonelline which are effective in treatment of diabetes and hypercholestremia, are reach in this plant. Also diosgenin, another medicinally important compound, is produced by this plant in high concentration. Many studies have been done and revealing it’s beneficial in treatment diabetes and other metabolic disorders. In this review, we summaries some of this studies.