The efficacy of red kidney beans combined with Job’s tears includes inducing dampness and swelling, strengthening the spleen and stopping diarrhea, and detoxifying and draining pus. Drinking water has limited active ingredients and generally fails to achieve therapeutic effects. Red beans have the effect of inducing water retention and eliminating swelling (facilitating urination, eliminating edema), detoxifying and draining pus. It is used for edema and swelling, swollen feet, jaundice and red urine, rheumatism and heat paralysis (often manifested as burning, pain, redness and swelling of joints and muscles), carbuncles and sores, intestinal carbuncles (carbuncles occurring in the bowels of the intestinal organs, manifested by fever, pain in the right abdomen, and palpable lumps), abdominal pain, and so on. Adverse reactions and contraindications are not clear. Job’s tears, also known as Job’s tears, has the effect of clearing heat and draining pus, soothing tendons and removing paralysis, promoting dampness and strengthening the spleen. The main edema; foot fungus; urinary dribbling (the feeling of not being able to finish urination); damp-warm (warm disease caused by feeling dampness and heat) disease; diarrhea and bring down; rheumatism and paralysis; tendon constriction (persistent tension and stiffness of the muscles); carbuncle of the lungs; carbuncle of the intestines; flat warts and so on. This product is slow in strength and should be taken more frequently for a longer period of time. Spleen deficiency without dampness, dry stools and pregnant women should be cautious. Adverse reactions are not clear. During the period of taking red bean barley tea, pay attention to a light diet. If there is any discomfort, it is recommended to consult a doctor in time to avoid discomfort.