Latin scientific name: Inonqqus obliquus the Japanese called the Inonqqus obliquus, the Europeans called chaga.

chaga showed tumor-like sclerotia (sterility of massive objects), the appearance of smudge, irregular marks ditch, yellow-house, handle with a diameter of 25-40cm, dark, deep-surface, very hard, Brittle when dry, thick part of the Fertile 5mm, Pike-thin, dun; control bacteria 3-10mm, crisp typically front-end of the tube cracking bacteria, fungi each hole mm6-8, round, white light and then darken Brown; bacteria meat quality wooden pillars, a slight, vague cyclic pattern, bright (bright) light brown. Spores to wide oval-shaped, smooth ,9-10μm × 5.5-6.5μm, there are bristles.

Chaga has the chemical constituents of a polysaccharide, hole streptozotocin, Inonotus obliquus alcohol, oxidation of a variety of triterpenes, Trametes acid, a variety of lanosterol type triterpenes, folic acid derivatives, aromatic Family vanillic acid, syringic acid and acid-γ, there have been isolated reports of tannin compounds, steroid, alkaloid compounds, the type of melanoma, the low-molecular-weight multi-lignin and phenolic compounds.

Chaga contains a large number of anti-cancer, low ering blood sugar, immune to revive the role of polysaccharide-type of plant fiber. To increase the vitality of immune cells, inhibit cancer cell proliferation and recurrence in the prevention of gastrointestinal cancer-causing substances, such as the absorption of harmful substances, and promote excretion. It is said that Inonotus obliquus refined powder for diabetes cure rate of 93%.