The most commonly used effect of red bean and coix seed tea is to dry dampness and strengthen the spleen. The combination of these two foods can not only strengthen the spleen and stomach, but also play the role of invigorating qi, nourishing nature, reducing swelling and diuresis, and it is also easier to digest and absorb without causing too much burden to the spleen and stomach. Traditional Chinese medicine believes that excessive moisture in the body can easily lead to obesity or edema. Blood stasis cannot flow with qi and blood, and stays in human cells, which is harmful to the body. Red bean barley tea has the effect of reducing swelling and losing weight. In addition, modern research shows that Coix seed contains selenium, which can also effectively inhibit the growth of cancer cells. Red bean barley tea has many functions, such as preventing constipation, invigorating qi and generating blood.

Chinese medicine believes that coix seed is dry and cool, which has the functions of clearing away heat and dampness, diuresis and detumescence, and eliminating pus in the lungs. Red beans are also cool and dry ingredients, which have the effects of clearing away heat, reducing swelling and promoting diuresis. The combination of the two components is mainly used for patients with heavy moisture in the body, especially those with damp heat, long-term drinking, chest tightness, greasy food, abdominal distension, yellow urine and sticky stool, and has certain therapeutic and health care effects.

Because both red bean and coix seed are cold ingredients, if patients with spleen deficiency, loose stool or frequent diarrhea are not suitable for eating red bean coix seed, the cold of red bean coix seed will lead to loose stool or diarrhea. Therefore, we should choose red bean and coix seed tea according to our own situation, otherwise it will not only have no therapeutic effect, but also lead to serious adverse reactions in the body.