Poria cocos is a traditional popular and very old and widely used herb in Chinese medicine.It also known as Jade Ling, Po Ling, Wan Ling Gui, Fu Dou, and grows on the roots of old, dead pine trees. Poria cocos have been traditionally used as a tonic to benefit the internal organs. Function: 1. it can strengthen the physiological activities and prevent disease; 2. it can promote the functional recovery of the human immune system; 3. it can induce or promote induction of the interferon and opsonin; 4. it has indirect antiviral and anti-cancer affection and 5. it can lessen the side effects of radiation and chemotherapy. 6. It has the function of protecting livers, lowering the enzyme(CPT), prolonging the life