Patchouli Zhengqi Shui has the efficacy of relieving surface dampness (relieving the evil of external sensation and getting rid of the dampness in the body), regulating qi and zhong (regulating the qi of the spleen and stomach to make the functions of the spleen and stomach smooth), and can be taken by patients with wind-cold cold and flu during menstruation under normal circumstances. Pogostemon Zhenqi Shui has the effect of relieving surface dampness, regulating qi and harmonizing the middle, and can be used for colds and flu caused by external wind-cold, internal dampness stagnation (dampness stagnation in the body caused by too cold diet), or summer dampness (the human body is susceptible to the invasion of summer heat and dampness in the summer), which are characterized by headache, heaviness, chest and diaphragm constriction, distension of the epigastric region, vomiting and diarrhea, as well as gastrointestinal type of colds and flu with the above symptoms. The drug can cause nausea, vomiting, skin rash and other adverse reactions, in addition to alcohol allergy is prohibited. Before using Huo Xiang Zheng Qi Shui, it is recommended to go to a regular hospital for consultation and treatment under the guidance of a professional physician.