The difference between the two is mainly that patchouli Zhengqi water contains alcohol, patchouli Zhengqi liquid does not contain alcohol, adapted to different people. The other components of the two are the same, and the efficacy is basically the same. The two are mainly composed of patchouli oil, perilla leaf oil, raw half-summer, etc., Angelica dahurica, atractylodes macrocephala, ginger, Poria, Poria, abdominal skin, Chen Pi, licorice infusion. It has the efficacy of relieving surface and resolving dampness (relieving the evils of external sensation and dispelling the dampness in the body), regulating qi and harmonizing the middle (regulating the qi of the spleen and stomach, so as to make the functions of the spleen and stomach smooth). It can be used for colds and flu caused by external wind-cold, internal dampness stagnation (the stagnation of dampness in the body caused by too cold diet, etc.) or summer summer dampness (the human body is easily violated by summer heat and dampness in summer), as well as gastrointestinal colds and flu, which are characterized by fear of cold, headache, dizziness, tightness in the chest, vomiting, diarrhea, bloating, and heaviness in the body. Patchouli Zhengqi Water contains alcohol, the people who are allergic to alcohol and pregnant women, and are using some antibiotics such as cephalosporins (such as cefoperazone sodium, cefuroxime, etc.), metronidazole, furazolidone, etc. should not be used, can appear disulfiram-like reaction, such as facial flushing, palpitations (heartbeat accelerated, often accompanied by panic), blood pressure drop, dyspnea, and so on. This is not the case with Huo Xiang Zheng Qi Liquid. It is effective for symptoms such as headache and heaviness, epigastric rumbling, abdominal distension and pain, vomiting and diarrhea caused by external wind-cold, internal dampness and stagnation, or summer-dampness cold. In clinical application, it must be applied under the guidance of physicians and pharmacists to avoid blind application, which may bring certain adverse reactions.