Proprietary Chinese medicines commonly used in clinical practice for treating liver, gallbladder, spleen and stomach include Liou Yi San and Zuo Jin Wan. 1. Liuyi San is mainly composed of talcum powder and licorice, which has the effect of clearing heat and inducing dampness (removing heat and dampness from the body). It can be used clinically to treat fever, thirst and fatigue, diarrhea, dysuria and yellowish color caused by summer dampness. In addition, Luk Yi San can be used externally to treat prickly heat. The adverse effects of the drug are not clear, but a light diet is recommended during administration, avoiding alcohol and spicy, cold and oily food. 2. Zuo Jin Wan is mainly composed of Rhizoma Coptidis and Cornu Cervi Pantotrichum. The drug has the efficacy of diarrhea, liver detoxification, stomach harmonization and pain relief, and can be clinically used for the treatment of liver fire in the stomach (the fire produced by the liver invades the stomach), pain in the epigastrium and coeliac region, bitter and noisy mouth (the stomach has a sensation similar to hunger, emptiness with burning), vomiting of acid, dislike of hot beverages and other medical conditions. The adverse effects of the drug are not known, but it is not suitable for people with deficiency of spleen and stomach (weak and cold spleen and stomach). For disorders of the liver, gallbladder, spleen and stomach, it is recommended to visit a regular hospital and be treated under the guidance of a professional physician for evidence-based treatment.