The complete Poria cocos is round, oval, oblate or irregular, with different sizes. The outer skin is thin, brown or dark brown, rough, wrinkled and shriveled, and sometimes partially falls off. Solid, granular and broken surface, reddish near the edge, with honeycomb holes, white inside and a little reddish. Some of them have roots in the middle, which is called "Shen Fu Block". Slight breath, light taste, sticky teeth when chewing. Cassava is fake, flat and square, with white pits and numerous grooves on the surface, and it is small. They all have brown or yellow inclusions. Solid texture, relatively dense, not easy to break. Smooth section, no graininess.

The complete Poria cocos is round, oval, oblate or irregular, with different sizes. The outer skin is thin, brown or dark brown, rough, wrinkled and shriveled, and sometimes partially falls off. Solid, granular and broken surface, reddish near the edge, with honeycomb holes, white inside and a little reddish. Some of them have roots in the middle, which is called "Shen Fu Block". Slight breath, light taste, sticky teeth when chewing. Cassava is fake, flat and square, with white pits and numerous grooves on the surface, and it is small. They all have brown or yellow inclusions. Solid texture, relatively dense, not easy to break. Smooth section, no graininess. It has yellowish brown fine inclusions, tastes slightly sour and sweet, dissolves without sticking to teeth when chewing, and the saliva is white.