The instructions for Huo Xiang Zheng Qi Shui do not clearly indicate that it has the effect of reducing fever. Pohoi Xiang Zheng Qi Shui mainly has the effects of relieving surface and resolving dampness (relieving the evils of external infection and getting rid of the dampness in the body), and regulating qi and neutralizing the body. The efficacy of Huo Xiang Zheng Qi Shui is to dissolve surface dampness, regulate qi and neutralize (regulate the qi of the spleen and stomach to make the spleen and stomach function smoothly). It can be used to treat colds and flu caused by external wind-cold, internal dampness stagnation (stagnation of dampness in the body caused by diet that is too cold, etc.), as well as summer summer dampness (the human body is susceptible to the invasion of summer heat and dampness in summer). Thus, it can improve headache, dizziness, epigastric (stomach and abdomen) distension and pain, vomiting, diarrhea and other diseases. However, at present, the instructions for Patchouli Zhengqi Shui do not indicate that it has antipyretic properties. Therefore, it is not possible to clarify whether this drug can reduce fever. Those who are allergic to the ingredients of Huo Xiang Zheng Qi Shui, or to alcohol, need to refrain from taking Huo Xiang Zheng Qi Shui. Some patients may experience adverse reactions such as vomiting, nausea, rash, itching and dizziness during the use of the drug. If the patient uses the drug, there are symptoms of physical discomfort, need to consult a doctor in time. The medication should be used under the guidance of a physician, and should not be taken on its own to avoid adverse consequences.