The efficacy of Huo Xiang Zheng Qi Wan is to resolve exterior dampness, regulate qi and harmonize the middle (regulate the qi of the spleen and stomach to make the spleen and stomach function smoothly), and its side effects are not clear. Patchouli Zhengqi Pill is a proprietary Chinese medicine composed of Patchouli, Atractylodes macrocephala (fried), Angelica dahurica, Pericarpium Citri Reticulatae, Poria, Pachypoderma thickum (made from ginger), Perilla frutescens, Pellitory bark, Semen Heterophyllum (made from ginger), and Licorice. It has the effects of relieving exterior dampness, regulating qi and harmonizing the middle (regulating the qi of the spleen and stomach to make the spleen and stomach function smoothly). It is used for summer-dampness cold, headache and dizziness, body fatigue and heaviness, fullness in chest and epigastric region, or malignant cold (fear of cold) and fever, distension and pain in the epigastric region, vomiting and diarrhea. The adverse reactions and contraindications of this drug are not clear. It is contraindicated for those who are allergic to the product, and should be used with caution for those with allergies. Avoid smoking, alcohol and spicy, cold and greasy food during the period of taking the medicine, and should not take tonic Chinese patent medicines at the same time. Haoxiang Zhengqi Pill can be used under the guidance of a doctor, or consult the relevant professionals or read the instructions in detail after the use of the drug, do not blindly use the drug, in order to avoid adverse reactions.