The invention belongs to the technical field of health-care food study and development and relates to a preparing method of novel-resource food that is a Korean red ginseng wall-broken powder preparation. The preparing method comprises the following steps: taking 4-5-year Korean fresh garden ginseng, steaming and baking to make Korean red ginseng, placing the Korean red ginseng in the same solution containing 70-80% of a total ginsenoside solution and 0.6-0.8% of ginseng juice, soaking in an airtight container under reduced pressure, adding bifidobacterium and glucose, fermenting, taking out, drying, and pulverizing the Korean red ginseng into 100-200-mesh powder by a common pulverizer; pulverizing the Korean red ginseng powder by a vibrating mill or a jet mill into 10-200 micron powder; pulverizing 100-200-mesh powder of polygonatum odoratum, or other edible raw materials or medicinal and edible isogenous raw materials into 10-200 micron powder by the vibrating mill or the jet mill; uniformly mixing the Korean red ginseng micron powder with the micron powder of the polygonatum odoratum, or other edible raw materials or medicinal and edible isogenous raw materials; granulating by a dry process or a wet process into particles with a diameter of 0.2-3.0mm and a radius of 0.1-1.5mm. The product has the functions of resisting oxidation, resisting cancer, resisting ageing, improving the memory and improving the immunity.