Feng Wei Cao is also known as Pteris. The bland, slightly bitter and cold herb has been used in TCM as antibiotic, anti tumor and anti-hyperlipidemic and to treat infection, dysentery, diarrhea, vomiting blood, hepatitis, leukorrhea, tumors in intestine, lung and bladder, cancers of gynecology, etc., as it clears Heat, expels toxins, cools Blood, stops …