Red beans belong to the food, moderate consumption is good for health. Job’s tears, which is the same food as medicine, has the effect of removing dampness. Red beans are one of the common food in daily life, which contains magnesium, iron, copper and other minerals, as well as a certain amount of crude fiber, can promote digestion, moderate consumption will not aggravate the dampness. As a medicine, Coix lacryma can play the role of water seepage (to promote the operation of the water to get rid of dampness), spleen and stop diarrhea, moderate use not only will not aggravate the chest and epigastric plagiarism, limbs sleepy (limbs weakness, sinking), nausea and vomiting, loss of appetite and other symptoms of dampness, but also to help dampness discharge. However, as a medicine, Coix lacryma is slippery in nature and should be used with caution by pregnant women, and the adverse effects are not yet clear. If it is used as food, it can be consumed in moderation. Patients with discomfort are advised to seek medical attention, and specific medication is recommended to consult a doctor.