Poria as a traditional Chinese medicine, has a diuretic and swelling, spleen, the role of the heart, but long-term use may produce some damage to the body, resulting in patients in the urinary system, digestive system, cardiovascular system and other aspects of adverse reactions, common clinical adverse reactions include: 1, the urinary system: because Poria has a certain diuretic effect, if long-term use may cause patients to urinate frequently, urinary urgency, increased urine volume The symptoms include: urinary frequency, urinary urgency, increased urine volume, incomplete urination, spermatorrhea, etc. If patients consume too much, may also have an impact on liver and kidney function; 2, digestive system: Poria can reduce gastric secretion, long-term use may be abnormal digestive function, abdominal discomfort, causing indigestion, patients can see diarrhea or constipation, erratic, burning sensation in the chest, and even cause iron deficiency anemia; 3, cardiovascular system: Poria can enhance the contractility of the heart muscle, so that the heart rate increases. Long-term or large amounts of poria may cause tachycardia, resulting in palpitations, chest tightness, dizziness and other discomfort. Therefore, patients are advised to take Poria under the guidance of a doctor and in appropriate amounts according to the patient’s own condition and constitution. Can be combined with other drugs to reduce the adverse effects of drugs. If the patient has a long-term adverse reaction to the use of poria, should be promptly discontinued poria, and timely treatment.