Huo Xiang Zheng Qi Shui can treat headache, but it is mainly used for external wind and cold, internal dampness and stagnation, or summertime cold caused by summer heat and dampness, with symptoms such as headache, dizziness, chest and diaphragm congestion, abdominal distension and fullness, which is more suitable for gastrointestinal type of cold. Huo Xiang Zheng Qi Shui is a very commonly used Chinese medicine, which has the effect of relieving the symptoms of dampness, regulating Qi and harmonizing the middle of the body, and is mainly used clinically in summer when acute gastroenteritis occurs. cause patients to have a disulfiram-like reaction.