Alias: Northwind fungus, frozen fungus and a nest of sheep fungus cover a flat hemisphere, gradually spreading out, and finally concave, with a diameter of cm, gray-white to gray-yellow, fleshy, non-sticky, smooth, and the edge is rolled in, stretched back, smooth and irregularly wavy when it is young; The folds are slightly dense to dense, white, with different lengths, nearly cylindrical or slightly flat with the stipe, thick white and smooth, with semi-brittle bone on the outer layer and solid inside; Born in the middle of coniferous broad-leaved forest in summer and autumn, it is overgrown. It often forms an ectomycorrhizal relationship with Pinus plants. It is rich in protein, essential amino acids, carbohydrates, vitamins and trace elements.