The shiitake mushroom (scientific name: Lentinus edodes), also known as the winter mushroom, shiitake mushroom, northern mushroom, thick mushroom, thin mushroom, flower mushroom, vertebrae mushroom, is a kind of edible fungi. It is an edible fungus. The edible part of the mushroom is the mushroom fruiting body, and the fresh mushroom is dehydrated to become dried mushroom, which is easy to be transported and preserved, and is an important north-south commodity. Dried and fresh shiitake mushrooms are widely used in Chinese cuisine. Dried shiitake mushrooms need to be soaked in water before cooking. Shiitake mushrooms often appear as one of the three vegetarian delicacies. They are also an important ingredient in vegetarian dishes.