Grifola frondosa seedlings and tender stems and leaves are edible, delicious, tender and nutritious. Eating gray vegetables can prevent anemia, promote children's growth and development, and also have a certain health care effect on middle-aged and elderly people with calcium deficiency. In addition, the whole grass also contains special substances such as volatile oil and quinones, which can prevent parasites in the digestive tract and eliminate bad breath. Therefore, as a kind of healthy food suitable for all ages, grey cabbage is not only eaten by ordinary people, but also boarded the dining table of hotels and restaurants. Because of its growth characteristics, grey cabbage is generally wild, and there are no human factors affecting its growth. It is a kind of green food with high nutritional value, worthy of the name.