Icariin Zhengqi Shui has the effect of resolving dampness and relieving epidemics, regulating qi and harmonizing the middle (regulating the qi of the spleen and stomach to make the spleen and stomach function smoothly). The correct usage of this product is oral intake, and there is no scientific basis for foot soaking. Haoxiang Zhengqi Shui is composed of Cangzhu, Poria, Chenpi, Patchouli, Dabu Pi and other traditional Chinese medicines. It can be used to treat colds and flu caused by internal injury of dampness stagnation (the stagnation of dampness in the body caused by too cold diet), summer injury of summer dampness (the human body is easily violated by heat and dampness in the summer), and external wind-cold infection. People with chest and diaphragm congestion, vomiting and diarrhea, epigastric (abdominal) distension and pain, headache and weight loss, as well as gastrointestinal colds can take Huo Xiang Zheng Qi Shui to treat the above symptoms. The correct use of Huo Xiang Zheng Qi Shui is to shake evenly and take it orally, and there is no scientific basis for foot soaking, and the benefits are not proven. The use of patchouli zhengqi water may cause adverse reactions such as vomiting, nausea and itching. It contains alcohol, and there are cases of anaphylactic shock and convulsions after using the drug. Combined with cephalosporins, disulfiram-like reactions such as nausea, vomiting, headache and shock can occur. Alcohol allergy is prohibited patchouli, and those who are allergic to other ingredients in this product are prohibited. Avoid smoking, alcohol and spicy, cold, greasy food, diet should be light. It is not advisable to take tonic Chinese medicine at the same time during the period of taking the medicine. After taking the medicine, it is not allowed to drive machines, cars, ships, engage in aerial work, mechanical work and operation of precision instruments. Patients who feel unwell are advised to go to the hospital in time, and need to standardize the use of medication under the guidance of a professional physician.