Patchouli is an alias of patchouli, and there is no difference between the two. Patchouli has the efficacy of aromatizing dampness, stopping vomiting and relieving summer heat. It can be used to treat dampness and obstruction, epigastric plumpness and vomiting, summer dampness, and the beginning of dampness-warmth (warmth caused by dampness-heat sensation). Patchouli has an aromatic odor, which is the most important medicine for aromatic dampness. Its nature is slightly warm, so it is often used in the cold and dampness trapped in the spleen caused by the epigastric (abdominal) plagued, less food vomiting, fatigue (lack of spirit) body tiredness and other conditions, often with Cangzhu, thick Park. Patchouli can not only dissolve dampness, but also and stop vomiting. Treatment of dampness and obstruction caused by vomiting, often with half-summer, cloves and so on. If partial to the damp-heat, and Huanglian, Zhu Ru used; pregnancy vomiting, and sand nuts, Su terrier used; spleen and stomach weakness, and Codonopsis, white atractylodes used. Pogostemon can not only dissolve dampness, but also relieve summer heat. It can be used in the summer months, external wind-cold, internal cold injury, resulting in cold (cold) fever, headache, vomiting, vomiting and diarrhea summer dampness, often used with perilla, thick Park; if the beginning of dampness and warmth disease, dampness and heat, more with Scutellaria baicalensis, talc, Yin Chen, and so on. This medicine should not be decocted for a long time; it is forbidden to be taken by those who are suffering from yin deficiency and fire exuberance (deficiency of yin essence in the body and hyperactivity of deficiency fire). It is recommended to use the medicine under the guidance of a physician.