Poria cocos is flat, sweet, light, returning to the heart, lungs, spleen, kidney meridians, and the clinical effect is to strengthen the spleen and calm the heart, and dilute water and dampness. Clinically, Poria cocos has a lot of effects, with the effect of strengthening the spleen, dampness, antidiarrheal, it also has the effect of calming the heart and calming the nerves, for some insomnia or poor sleep quality of people.