If a child has a cold caused by external wind-cold, internal dampness stagnation (the stagnation of dampness in the body caused by a cold diet) or summer summer dampness (the body is susceptible to the invasion of summer heat and dampness in the summer), then Patchouli Zhenqi Compound can be taken as prescribed by the doctor. Pohuoxiang Zhengqi Compound contains patchouli, perilla leaves, dahurica dahuricae, thick park, big belly skin and other ingredients. It has the effect of relieving the exterior and eliminating dampness (relieving the exterior evils and eliminating the dampness in the body), regulating the qi and neutralizing the middle (regulating the qi of the spleen and stomach to make the functions 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. Adverse effects of Huo Xiang Zheng Qi Synthesis are not known. During the period of taking the medicine, the diet should be light; should not take tonic Chinese medicine at the same time during the period of taking the medicine; patients with heart disease, liver disease, diabetes mellitus, renal disease, etc., should be taken under the guidance of a physician; after three days of taking the medicine, the symptoms did not improve and there are other serious symptoms should be to the hospital for consultation. Children need to be careful with medication, if there is discomfort, you can go to the hospital for examination and symptomatic treatment, to avoid the adverse consequences of self-medication.