The toxicity of Poria cocos is not known and the side effects are not known. However, for those who are allergic to Poria cocos, it may cause allergic reactions such as pimples, and it is recommended to follow the doctor’s instructions. Poria cocos has the efficacy of removing dampness, detoxification, and facilitating the joints. Poria cocos is light in flavor, sweet, flat in nature, entering the liver meridian, stomach meridian, long for the treatment of syphilis and mercury poisoning caused by limb contracture, tendon and bone pain; dampness-heat gonorrhea, bandhidth, carbuncle, scrofula (mainly refers to the cervical lymph nodes tuberculosis), scabies, and so on. It should be noted that Tu Fu Ling should be used with caution in people with liver and kidney yin deficiency (insufficient yin fluid in the liver and kidneys). Tu Fu Ling is contraindicated for those with a history of allergy to Tu Fu Ling. Please use under the guidance of a professional Chinese medicine practitioner if necessary.