Patchouli Zhengqi Compound can be taken by children, but need to follow the doctor’s instructions for medication. Patchouli Zhengqi Compound is composed of patchouli, perilla leaves, dahurica, atractylodes macrocephala (fried), Chenpi, half-summer, Houpu, Poria, etc. It has the efficacy of relieving surface dampness (relieving the evils of external sensation and getting rid of dampness in the body), regulating qi and neutralizing the middle (adjusting the qi of the spleen and stomach, so as to make the function of the spleen and stomach smooth). It is used for summer-dampness cold, headache, body weight and chest tightness, or malignant cold (fear of cold) and fever, distension and pain in the epigastrium (abdomen), vomiting and diarrhea. The adverse reactions and contraindications of Huo Xiang Zheng Qi Synthesis are not yet clear, during the use of the drug should be a light diet, according to the dosage, children, the elderly and frail people should be taken under the guidance of a physician. Three days after taking the medicine, the symptoms did not improve, or vomiting and diarrhea obvious, and other serious symptoms should go to the hospital.