Drinking barley tea has a certain weight loss effect, barley tea is fried barley with boiling water made of tea, barley tea is rich in vitamins, amino acids and trace elements, but also has a rich dietary fiber. On the one hand, dietary fiber can promote gastrointestinal peristalsis, reduce food accumulation, prevent food in the gastrointestinal overstay, reduce the absorption of sugar and fat and other substances. On the other hand, dietary fiber can absorb the water inside the gastrointestinal tract, to prevent dry stools, to avoid the long-term retention of feces, to prevent the absorption of toxic and harmful substances into the human body by the intestinal tract, is also conducive to too much unabsorbed lipids discharged by the body. Finally, barley is a kind of coarse grains, the dietary fiber of which the satiety is relatively strong, drinking a moderate amount of barley tea can slightly reduce the amount of food intake per meal, to a certain extent, help to reduce weight. But simply rely on barley tea to lose weight is not good, but also combined with daily diet and exercise.