1, Poria cocos can't be boiled in pieces. Poria cocos can be soaked in pure water for several hours in advance, and then boiled in a pot.

2. Or wash the dust on the surface of Poria cocos, mash it with the back of a knife, and then cook porridge or soup.

3. You can also buy Poria cocos powder directly, or grind Poria cocos into powder, so as to avoid rotting.