Smell. According to the query of Yanggancao Encyclopedia, the fragrance type has a good effect. Liver-nourishing grass, also known as liver-nourishing golden grass and silk root, is produced in the mountainous area of northern Guangdong and is the root of a natural wild herb. Stewed soup has the characteristics of attractive fragrance, fresh and tender soup color and non-greasy, which is helpful for digestion, appetizing and liver-clearing.