Red bean barley tea can get rid of dampness. However, note that the efficacy of tea substitute may not be equivalent to the decoction efficacy, it is recommended that the decoction is more effective. Red beans, also known as red beans, taste sweet, sour, sex slightly cold, to the heart, spleen, kidney, small intestine meridian, has a diuretic swelling (diuretic, eliminating edema) to retreat yellow, clearing heat and detoxification (clearing the body of heat and toxicity) to eliminate the efficacy of carbuncle effect. The red bean and barley porridge in classic Chinese medicine recipes usually refers to red kidney beans. Job’s tear grains, known in Chinese medicine as Coix lacryma, are sweet, light, and cool in nature, and have the effect of inducing drainage and seepage of dampness (promoting the flow of water to dispel dampness), strengthening the spleen and removing paralysis (strengthening and transporting the spleen, eliminating paralysis), and draining pus and eliminating canker sores. Red beans and Job’s tears used together can enhance the spleen, diuresis, swelling, suitable for spleen and stomach weakness, edema, urinary incontinence (urination is not smooth) patients to take, can get rid of the body’s moisture. It should be noted that red bean barley tea is easy to injure the fluid if taken for a long time, and it is recommended to take it under the guidance of a professional physician.