Disclosed is a method for preparing an herbal composition having atopic immune system strengthening and anticancer effects, wherein the herbal composition contains Siberian ginseng, fish mint, Manchurian wild rice, dried ginger, cinnamon bark, jujube, and citrus peel. The herbal composition, obtained by the method provided, is effective at scavenging reactive oxygen species (ROS), promoting the proliferation of normal cells without toxicity, and inhibiting the proliferation of colon cancer cells without serious toxicity, based on the results of tests conducted at the Blue-Bio Industry Regional Innovation Center, Dong-Eui University, Busan.
