Zhi Mu is effective in clearing heat and fire (removing heat and fire from the body), nourishing yin and moistening dryness (nourishing yin essence and removing heat), and is used in the treatment of exogenous heat diseases, lung-heat coughs, and tidal fever (a burst of heat that feels like it is penetrating from inside the bones to the outside). Zhi Mu is used as a decoction in water. Zhi Mu is the dried rhizome of Zhi Mu, a plant of the lily family. It is bitter, sweet and cold in nature, and belongs to the lung, kidney and stomach meridians, with the function of clearing away heat and fire, nourishing yin and moistening dryness. It can be used in the treatment of external fever, high fever and thirst, lung-heat and dry cough, bone vapor and hot flashes, internal heat and thirst (internal fever accompanied by excessive eating, drinking and urinating), intestinal dryness and constipation. The adverse reactions and contraindications of this drug are not clear, but the nature of this product is cold, so it is used with caution for people with spleen deficiency and loose stools (thin and unformed feces). It should be taken by decoction with water. If necessary, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.