Fungus is a fungus in the fungus family that resembles ears. It is a fungus parasitic on dead wood. It is rich in iron, calcium, phosphorus and vitamin B1. Fresh fungus is in the form of gelatinous flakes, translucent, laterally growing on trees. The ears are 5-10 cm in diameter and are elastic. The ventral surface is smooth and concave, the edges are slightly curled, the back is convex, and there are very fine hairs. It is dark brown or dark brown. After drying, it shrinks into horny, hard and brittle, the back is dark gray or off-white; it swells after entering water, it can be restored to its original shape, soft and translucent, with a smooth mucus on the surface. Fungus soft and delicious, nutritious, can be prime meat, not only for the big Tim style dishes, and can raise blood Totale, illnesses and sickness. Modern nutritionists praised black fungus as the “meat in the vegetarian”, and its nutritional value is comparable to animal food.