Plant proteins play a very important role in the human nutrition. The different types of plant proteins form an essential part of what human and animals eat to help them grow and stay healthy, especially if the protein is safe and containing essential amino acids, and possesses other functional properties that reflect the quality of proteins.Like other legumes fenugreek (Trigonella foenum graecum) seed can be considered as a highly nutritive seed since it contains both essential and nonessential amino acid.The seed of fenugreek was also used as supplementation material to improve the protein quality of cereals and tubers, which have low protein content. The seed of fenugreek was widely used in different countries around the world, it is even used medically or as human food ,the seed contains the C27 steriods (such as sapongenin and diosgenin) this steroid is important as starting material in the pharmaceutical industry and medicine .The seed has the ability to significantly reduce serum cholesterol and also to reduce the blood glucose.