Huo Xiang Zheng Qi Capsules can treat diarrhea. The function of Huo Xiang Zheng Qi Capsules is mainly to treat heat stroke, dispel dampness, and relieve nausea and vomiting caused by cold and dampness. Since there are many causes of diarrhea, not all types of diarrhea can be treated with Huo Xiang Zheng Qi capsules. Under normal circumstances, Huo Xiang Zheng Qi capsule is very effective for cold and damp diarrhea, but for damp-heat type diarrhea is not allowed to take Huo Xiang Zheng Qi capsule. Once diarrhea occurs, the type of diarrhea and the presence of gastrointestinal diseases should be actively diagnosed and can be improved by taking oral montelukast and fruit guide tablets. If inflammation of the stomach exists it needs to be treated promptly in order to completely cure diarrhea. In order to completely improve diarrhea, the usual dietary hygiene is also essential.