To allow stomach qi to move downward, i.e. to allow stomach qi to move downward and restore normal digestive function, common proprietary Chinese medicines include Betel Nut Si-Subtractive Pills, Xiang Sha Ping Stomach Pills, Shu Liver and Stomach Pills. 1. Betel Nut Four Elimination Pills: composed of betel nut, rhubarb, petunia seeds and other medicines, it has the effect of eliminating food and promoting the flow of qi, and can be used to treat abdominal distension, dyspepsia, belching (hiccups), constipation caused by food stagnation (indigestion of food that has been poorly digested and accumulated in the stomach). Pregnant women should not use this medicine. 2. Xiang Sha Ping Stomach Pill: It is composed of Cang Zhu, Hou Pu, Chen Pi and other medicines, which have the effect of strengthening the spleen and promoting the flow of qi, and can be used for treating distension and pain in the stomach. Patients with yin deficiency of the spleen and stomach (insufficient yin fluid in the spleen and stomach) should use this medicine with caution. 3. Shu Liver and Stomach Pill: It is composed of white peony, Buddha’s hand, wood incense and other medicines, with the efficacy of dredging the liver and harmonizing the stomach. It can be used for treating symptoms such as dystocia and rib pain, distension of the stomach, and loss of appetite caused by liver-qi offense to the stomach (liver-qi dysfunction that affects the functioning of the stomach), and gastric-qi disharmony. Its adverse reactions and contraindications are not known. All of the above medicines can have the effect of decreasing stomach qi. Patients who need to use the medicines should choose them under the guidance of a doctor.