Single herbs to dispel dampness include Poria, Coix Seed, and Winter Melon Peel. 1. Poria: the dried mycelium of the fungus Poria cocos of the family Polyporaceae, the effects of which are diuresis and seepage of dampness (promoting the operation of water to dispel dampness), strengthening the spleen and tranquilizing the heart. Poria can be used in the treatment of edema and low urine output, phlegm (a pathological product of impaired water metabolism) leading to dizziness and palpitations (rapid heartbeat, often accompanied by panic), spleen deficiency and low food intake, diarrhea and loose stools (thin and unformed stools), restlessness and insomnia, and other conditions. 2. Job’s tears: the dried mature seed kernel of the plant Coix lacryma, the effect of water seepage and dampness, strengthen the spleen to stop diarrhea, remove paralysis, drainage of pus, detoxification and dispersal of knots. It can be used to treat oedema, swollen feet, dysuria (unsmooth urination), diarrhea due to spleen deficiency (diarrhea caused by weak spleen), and contracture of tendons and veins caused by dampness paralysis (continuous tension and stiffness of muscles). Pregnant women should be careful with this drug. 3. Winter melon rind: the dried outer layer of the rind of winter melon of Cucurbitaceae, with diuretic and decongestive effects. This medicine can be used to treat edema and fullness, urinary incontinence, summer heat and thirst, short urine (urine is small, dark yellow) of the disease. The drug is capable of inducing diuresis and also has the effect of removing dampness from the body. The above medicines should be taken under the supervision of a physician. If the problem of heavy dampness occurs, you should choose to use the medicine under the guidance of a doctor, and should not take the medicine on your own, so as to avoid the harm of improper use of medicine.