Barley tea should not be drunk during menstruation. Barley tea contains 17 kinds of trace elements, rich in a variety of vitamins and proteins, unsaturated fatty acids and dietary fiber. Barley tea is mainly used for cooling and detoxifying, clearing heat and relieving summer heat, removing grease, aiding digestion and enhancing gastric power. During the menstrual period if you drink barley tea prone to diarrhea, drink more prone to abdominal pain, mainly because barley tea inside the role of heat and digestive aid, more in the summer to drink the role of summer heat. During menstruation, you can drink some ginger brown sugar tea, both to warm the stomach and the effect of blood circulation and remove blood stasis. At least eat cold, spicy stimulating food. Menstruation can not drink ginger, brown sugar tea, or barley tea, you can drink more warm water.