It is eaten as summer vegetables in Nanjing, Jiangsu, China. It is eaten with tender stems and leaves. It has a special rich chrysanthemum aroma, unique flavor, slightly sweet, cool and refreshing, and the food is cool. There are a small amount of cultivation in all parts of the north and south of our country. With a long history of artificial cultivation in Nanjing, it has become a new type of vegetable with local characteristics in Nanjing. Together with wolfberry head and Malan head, they became the Three Treasures of Nanjing.