The statement that there are three major contraindications to patchouli is wrong. According to the instructions of the drug, damp-heat cholera, vomiting and diarrhea of injured food, alcohol allergy, allergy to this product and the ingredients contained in this product is prohibited; and can not be used in combination with cephalosporins, metronidazole, tinidazole, ketoconazole, furazolidone and other drugs. 1. Patchouli Zhengqi Shui is composed of Cangzhu, Chenpi, Houpu and other medicines, which has the effect of relieving the surface and resolving dampness (relieving the evils of external sensation and getting rid of dampness in the body), regulating qi and neutralizing the middle (regulating the qi of the spleen and stomach to make the functions of the spleen and stomach smooth). It can be used to treat external wind-cold, internal dampness stagnation (stagnation of dampness in the body caused by too cold diet), cholera, vomiting and diarrhea, fever and malignant cold. 2. In the formula, the antidote drugs such as Angelica dahurica and Perilla frutescens have the effect of dispersing wind-cold, so Huo Xiang Zheng Qi Shui mainly treats heat and dampness, so it is not suitable to use this formula to treat dampness-heat cholera and diarrhea with injured food. 3. In addition, Huo Xiang Zheng Qi Shui contains alcohol, which is prohibited for people with alcohol allergy; it is prohibited for people who are allergic to this product and the ingredients it contains; it cannot be used in combination with cephalosporins, metronidazole, tinidazole, ketoconazole, furazolidone and other drugs. If the patient is unwell, it is recommended to consult a regular medical institution for medication.