Barley, a member of the grass family, is a major cereal grain grown in temperate climates in India. It was one of the first cultivated grains, early as 10,000 years ago. Barley is a cereal grain and consumed as food. Some people use barley to make medicine. the grain is most commonly used for heart disease and high cholesterol. Barley is also used for diabetes, obesity, cancer prevention, and other conditions. In manufacturing, barley is used as a food grain, natural sweetener, and as an ingredient for brewing .