Kidney deficiency polyuria, deficiency cold slippery sperm, Jin wound dry people should use poria cautiously, because poria diuretic, diuretic effect is very strong, easy to make the condition worse. Diabetic patients should not use poria, poria has a high starch content, and diabetic patients need to strictly control starch intake. When eating poria, pay attention to avoid rice vinegar, strong tea and other foods, otherwise it is easy to lead to poisoning phenomena, abdominal pain, skin redness and swelling and other adverse reactions. Poria has a strong spleen and dampness effect, for spleen deficiency caused by diarrhea, diarrhea, phlegm, phlegm, cough and other conditions, and the medicinal properties are relatively calm, can be used for both medicine and food.