Proprietary Chinese medicines that allow stomach qi to flow downward include Si Mu Tang Oral Liquid, Mu Xiang Shun Qi Pill, and Ping Qi San, but are not limited to the three, so it is recommended to follow the doctor’s instructions to use the medicine. Sifuotang Oral Liquid has the efficacy of smoothing qi and lowering rebelliousness, eliminating stagnation and relieving pain (eliminating stagnation and relieving pain), and can treat abdominal distension, abdominal pain, anorexia and dysphagia (poor appetite), diarrhea, and constipation. The adverse effects of the drug are not clear, but it is contraindicated in pregnant women. MUXIANG SHUNQI PILL has the effect of promoting the flow of qi, strengthening the spleen and harmonizing the stomach (restoring the functions of the spleen and stomach), and can treat abdominal distension, belching (hiccups), chest and diaphragm constriction, distension and pain in the epigastric region, vomiting and nausea, belching, and nausea (lack of appetite, reduced food intake) caused by spleen and stomach disharmony. The adverse reactions and contraindications of the drug are not clear, pregnant women should be used with caution. Flat Stomach San has the effect of promoting qi and stomach (regulating the stomach and internal organs by promoting the operation of qi), and can be used for the treatment of abdominal distension, belching, and acid swallowing (swallowing the acid that rushes upward from the stomach to the oropharynx) caused by the upward reversal of gastric qi (the stomach qi is not descending, but is ascending instead). It is not suitable for patients with weak spleen and stomach. If discomfort occurs, it is recommended to consult a doctor in time. If you need to use the above medicines, it is recommended to use them under the guidance of a physician to identify the symptoms, and not to use them blindly on your own.