1. First of all, the two are different. Poria cocos belongs to fungi, which is a fungal substance. But Smilax glabra is a vine.

2. The other two are different in shape. Poria cocos is mainly round or rectangular, and it is usually white after cutting. Smilax glabra is dark brown in appearance and generally pale yellow after being cut.

3. They have different effects. Poria cocos mainly has the effect of diuresis and dampness elimination. The main function of Smilax glabra is to strengthen the spleen and soothe the nerves.