Proprietary Chinese medicines that allow stomach qi to move downward, i.e., lowering stomach qi, include Huo Xiang Zheng Qi Shui, Lizhong Pill and Bao He Pill. 1. Huo Xiang Zheng Qi Shui: It has the effects of relieving the surface and resolving dampness (relieving the evil qi from external sensation and getting rid of the dampness in the body), lowering the rebelliousness and stopping vomiting (stopping the stomach qi that rushes upward and stopping the vomiting), and it can be mainly used to treat the symptom of vomiting and nausea caused by the external sensation of wind-cold and the internal injury caused by dampness. Nausea, vomiting, dizziness, palpitations and other adverse reactions may occur after taking this drug; and this drug contains alcohol, so you can not take cephalosporins at the same time; allergic to alcohol and some components of the drug is prohibited; children, pregnant women and lactating women should be used with caution. 2. Lizhong Pill: with the effect of warming the middle and dispersing the cold (dispelling the cold by warming the spleen and stomach), lowering the rebelliousness and stopping vomiting (stopping the upward rush of gastric qi, stopping the vomiting), it can be used to treat the symptoms of cold pain in the epigastrium and abdomen (the stomach and epigastrium feel cold and painful), nausea and vomiting caused by the coldness of the spleen and stomach (the spleen and stomach are weak and cold). The adverse effects of this drug are not clear; damp-heat diarrhea is prohibited; cold and fever, as well as pregnant women should be used with caution; in addition, during the period of taking the drug should be a light diet. 3. Baohe Pill: It has the effects of eliminating food stagnation (digesting stagnant food), harmonizing the stomach and lowering rebelliousness (regulating stomach qi and making the upward rebellious qi descend), and can be mainly used to treat vomiting and other symptoms caused by dietary stagnation. The adverse effects of this drug are not clear; pregnant women should be avoided; lactating women should be used with caution; and during the period of taking the drug should be a light diet. It is recommended to use the above medicines after identification by a traditional Chinese medicine practitioner, and not to use the medicines arbitrarily, so as not to cause adverse consequences.