Zuo Jin Wan is not suitable for people with spleen and stomach deficiency and cold (spleen and stomach weakness and cold) and those who are allergic to the product, nor is it suitable for patients who are not suffering from liver fire in the stomach. Zuo Jin Wan, the name of the Chinese patent medicine. It is composed of Rhizoma Coptidis and Cornus Officinalis. It has the effects of diarrhea, liver detoxification, stomach harmonization and pain relief. It is clinically used to treat the syndrome of liver fire violating the stomach (the fire produced by the liver invades the stomach), manifesting as pain in the epigastrium and coeliac region, bitter and noisy mouth (the stomach has a feeling similar to hunger, emptiness accompanied by burning), vomiting of acid, and disliking of hot beverages. The adverse effects of this product are not clear, pregnant women should not take, avoid room desire, gas. Avoid eating cold food. Allergic to this product is prohibited, allergic persons with caution. It is recommended to take under the guidance of a doctor’s diagnosis, do not take on your own.