Red bean barley tea has a certain spleen to dispel dampness (by tonifying the spleen to make the discharge of dampness) and other effects, but can only play an auxiliary therapeutic effect, eat alone can not achieve the therapeutic effect. Red beans can play a detoxification pus, diuretic swelling (diuretic, eliminating edema) effect, commonly used in the treatment of rheumatism and heat paralysis (often manifested as joints and muscles burning, pain, redness and swelling), carbuncle swelling and sores, swollen feet, jaundice and urine redness, oedema and distension and other diseases. The drug should be used with caution in cases of yin deficiency and fluid injury. Coix Seed has the effect of inducing diuresis and seepage of dampness (promoting the operation of water to get rid of dampness), strengthening the spleen, stopping diarrhea, draining pus, etc. It is often used in the treatment of swollen feet, diarrhea, dysuria, carbuncle and other diseases. This drug should be used with caution in pregnant women. The combination of the above two drugs can help strengthen the spleen and dispel dampness. The medicinal effect of red bean barley tea is limited, can not replace the medication to treat the disease, physical discomfort, it is recommended to go to the hospital in a timely manner, do not self-medication.