Poria cocos is eaten in decoction soup, or eaten with meals, such as stewed with keel bone, suitable for eczema itching, carbuncle sores and poisons, etc., with detoxification, dehumidification and other efficacy. Poria cocos is flat in nature, sweet and light in flavor, and belongs to liver, stomach, spleen and kidney meridians. It can be taken internally after decocting soup, or eaten with food, such as stewed soup with keel bone. Its efficacy is to facilitate the joints, detoxify and remove dampness. It is used in the treatment of gonorrhea (cloudy urine and leukorrhea), syphilis, eczema and itching, limb constriction, carbuncle, swelling and sores. The adverse reactions and contraindications of Tu Fu Ling are not yet clear. Precautions are caution for those with liver and kidney yin deficiency (insufficient yin fluid in the liver and kidneys); avoid tea while taking it. If used with other drugs, need to consult a physician. Poria cocos, if you need to use, should be applied under the guidance of a traditional Chinese medicine practitioner, such as as a dietary therapy can play a limited therapeutic role, can not replace the drug treatment of disease.