Mung beans can clear away heat and toxic materials, induce diuresis and reduce swelling, while Coix seed can strengthen the spleen and stop diarrhea, and lighten the body and replenish qi. For workers who often need to stay up late or get upset, thirsty, constipation and acne, besides eating more fruits and vegetables and supplementing water, eating mung bean and barley soup as a snack is very helpful for relieving summer heat and getting rid of boredom. Green tea is the most talked about health drink in recent years, because it contains powerful antioxidants catechol and vitamin C, which can not only eliminate free radicals in the body, but also make the accessory kidney cortex secrete hormones against stress. Of course, a small amount of caffeine contained in green tea can also stimulate the central nervous system and boost the spirit. It is best to drink it during the day to avoid affecting sleep.