Hericium erinaceus, also known as Pleurotus eryngii, is widely distributed in Northeast China, Xiaoxing 'anling and Changbai Mountain, and also distributed in North China, North Korea and Japan. This species is one of the most common pteridophytes in Northeast China, living in mixed forests or coniferous and broadleaved mixed forests, and in wet places on forest margins and riverside grasslands. Named after its monkey legs look covered with yellow-brown fluff. It is a pure natural green organic wild vegetable with high nutritional value, fragrant taste and wide pharmacological effects. Regular consumption has a positive effect on people's health care. Therefore, the monkey leg is called "the king of delicacies".