Hundred Medicines Decoction is a kind of traditional Chinese medicine, which has the effect of moistening the lungs, resolving phlegm, relieving heat and generating fluids, and is usually used to treat sore throat and cough. The decoction is made from fermented seeds and tea leaves, which has the effect of moistening the lungs and resolving phlegm, and can improve the cough and phlegm symptoms caused by lung heat. It can be used to treat symptoms such as dry mouth, sore throat and mouth sores, which are caused by excessive fire in the body, as it relieves heat and generates body fluid. Hundred Medicines Decoction also has the effect of stopping bleeding and diarrhea (stopping bleeding and diarrhea), which can improve the symptoms of blood in stool and bloody diarrhea. It should be noted that people with external cough, damp-heat diarrhea (diarrhea caused by feeling damp-heat evil), and those who have not cleared stagnation need to take Hundred Medicines Decoction with caution. The adverse reactions and contraindications of taking Baiyao Decoction are not clear. Patients are advised to take Baiyao Decoction under the guidance of a doctor and should not use the drug without authorization.