The dosage of the drug should be in accordance with the normal dosage prescribed by the clinic. The effects of Zhi Mu in normal dosage are clearing away heat and fire (removing heat and fire from the body), and nourishing yin and moistening dryness (nourishing the yin essence and clearing away heat and fire). Zhi Mu is the dried rhizome of Zhi Mu, family Liliaceae, and its effects are clearing heat and fire and nourishing yin and moistening dryness. It is mainly used in the treatment of lung-heat and dry cough, internal heat and thirst (fever accompanied by symptoms such as eating, drinking and urinating), intestinal dryness and constipation, tidal fever of bone vapor (a bout of fever, feeling that the heat is penetrating outward from inside the bones), and thirst and fever, and other diseases. It should be noted that it is not suitable for patients with deficiency of spleen and stomach (weak and cold spleen and stomach) and those with loose stools. If patients need to take Zhi Mu, it is recommended to use it under the guidance of a professional doctor’s diagnosis, and not to take it by oneself, in order to avoid adverse reactions and delays.