The famous bracken is Pteridium aquilinum, Osmunda japonica, Melon Fragrant, Monkey Leg and so on. Pteridium aquilinum is a variety of fern, also known as bibcock, which grows all over the country. Collecting tender leaves in spring can wash and salt them. Osmunda japonica is a plant of Osmunda, also called Osmunda fasciculata. In spring, young leaves can be picked, boiled in water, soaked in clear water for a while, taken out and dried in the sun, and then rubbed by hand. Cooking has a bitter and fragrant flavor. Huangguaxiang is a leguminous fern belonging to the family Coccidaceae, which grows in wet sparse forests or on both sides of rivers. It is picked when the tender leaves grow to 13-15 cm in late spring and early summer, and the brown scales of the tender leaves are brushed away, and then it is salted or boiled to remove and dried. Stir-fried dishes are tender and crisp with cucumber flavor. Hericium erinaceus, also known as Athyrium multidentatum, is found in the northeast, north China ravines or shady and humid places under forests. Pick tender leaves in spring, boil them in water, dry them in the sun, remove scales and hairs, or salt them.

Pteridium aquilinum resources in China are rich, which are valuable wealth to be further developed and utilized. For example, exporting one ton of dried Osmunda japonica is equivalent to exporting 4 tons of soybeans in price. At the same time of development, we must pay attention to the protection of resources, and we can't take the method of lighting at the sight of buds.