Poria cocos: diuresis and dampness, strengthening spleen and middle energizer, calming the heart and calming the nerves. Poria cocos is sweet and warm. It can tonify the middle jiao, but it can dilute the infiltration, that is, it can nourish the heart, spleen and lungs, and it can also induce diuresis to clear the orifices and dispel pathogenic heat. Its characteristic is that it can strengthen the body resistance, strengthen the constitution, benefit the body and eliminate evil. Poria cocos has detoxification, arthralgia-relieving and dehumidification effects, and can be used for syphilis, bladder damp-heat, stranguria, etc.