Kaiyu Laokou Pill can be used clinically to treat liver depression and stagnation of qi (poor transport of qi and blood in the liver, emotional depression), spleen and stomach deficiency (spleen and stomach weakness and cold), vomiting and diarrhea, chest and epigastric distension and pain and so on, there is no such thing as “which gastric disease is the most effective cure”. The adverse effects of Kaiyu Laokou Pill are not clear, pregnant women should not use, women with heavy menstruation or functional uterine bleeding should not take. Avoid spicy, cold, greasy and indigestible food. It is not suitable for children, the elderly and frail, and people with heart disease and cardiac insufficiency. Avoid emotional excitement and sulking. This product should not be taken for a long time, the drug is invalid for three days, should immediately stop the drug and go to the hospital. This product is prohibited for those who are allergic to this product, and allergic people should be cautious. This product needs to be used under the guidance of a traditional Chinese medicine practitioner, avoid taking it on your own to avoid damage.