Phellinus linteus black garlic sap is a product made by adding Phellinus linteus which has good medical action to black garlic produced by maturing raw garlic. If raw garlic is matured for a certain period of time on the condition of a fixed temperature and pressure, the color of garlic turns to black and black garlic is made. Black garlic does not have the peculiar odor of the raw garlic and stimulus of garlic decreases so it is easy to eat. Black garlic is good for supplying nutriment and recovery from fatigue. Its anti-oxidization effect is much better than that of raw garlic and it is known to be better for the effect of diminishing cholesterol, improvement of arteriosclerosis and prevention of heart disease than raw garlic. In addition, phellinus linteus is abundant in beta-glucan and is a medicinal-use mushroom which is excellent in anticancer effect, antibacterial effect and enhancement in the level of immunity.