Poria， Fuling, a traditional Chinese medicine name. Dry sclerotia of Poria cocos (Schw.) Wolf, a fungus in the family Polyporus. Excavate from July to September, remove sediment after excavation, pile up for "sweating", spread and air dry until the surface is dry, then "sweat" again, repeat several times until wrinkles appear and most of the internal water is lost, then dry in the shade, called "Poria cocos"; Or fresh Poria cocos can be cut into different parts, dried in the shade, and called "Poria cocos chunks" and "Poria cocos slices" respectively.