Panax japonicus is famous for its effects of promoting fluid production, strengthening yang, invigorating vitality, tonifying kidney and replenishing essence. It is a kind of Chinese herbal medicine with homology of medicine and food, belonging to the category of wild ginseng. It is a perennial herb with fleshy straight roots and slender fibrous roots, which are mostly found in mountain forests at an altitude of 3500-4000 meters. Compendium of Materia Medica records that it can cure all male deficiency.