Barley is a food crop, which can be processed into flour. Rice is another kind of food, and few people don't understand it. Barley tea is a traditional refreshing drink widely circulated in China, Japan, South Korea, etc. Barley is fried to brown, and the rich fragrant tea can be extracted only by brewing it in hot water for 2-3 minutes before eating. Barley tea is made by frying barley and boiling it. It has a strong smell of wheat. Drinking barley tea can not only stimulate appetite, but also help digestion and lose weight.