Huo Xiang Zheng Qi Shui has the effect of relieving the surface and resolving dampness (relieving the evil of external infection and getting rid of the dampness in the body), regulating qi and neutralizing the middle (regulating the qi of the spleen and stomach to make the function of the spleen and stomach smooth), and it can treat the stagnation of dampness in internal injuries (the stagnation of dampness in the body caused by diet that is too cold and cold, etc.). However, patients are advised to take the medicine under the guidance of a doctor and avoid self-medication, which may not be effective. Patchouli Zhenqi Shui, composed of patchouli oil, perilla leaf oil, dahurica, thick bark, and dabbling bark. It is used for colds and flu caused by external wind-cold, internal dampness and stagnation, or summer heat and dampness (the human body is susceptible to summer heat and dampness in summer), with headache and heaviness, chest and diaphragm constriction, distension and pain in the epigastrium (stomach and abdomen), vomiting and diarrhea; gastrointestinal colds and flu with the above symptoms. It should be noted that, when taking this medicine, avoid smoking, alcohol, spicy, cold and greasy food, and eat a light diet; it is not advisable to take tonic Chinese medicine during the period of taking the medicine; people with severe vomiting and diarrhea should go to the hospital in a timely manner; this medicine contains ethanol (alcohol) of 40% to 50%, and it is not allowed to drive the machine, car, boat, engage in aerial work, mechanical work and operation of precision instruments after taking the medicine. If you need to take the above drugs, you should be under the guidance of a doctor for scientific treatment.